Chapter6 Extra Practice
Date:
P H A TE
6
R
C
Name:
Multiplication Tables of 6, 7, 8, and 9
Lesson 6.1
Multiplication Properties
Look at each number line. Write the multiplication fact. 1. 0
2
4
6
8 10 12 14 16 18 20 22 24 26
⫻
⫽
2.
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0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 ⫻
⫽
3. 0
2
4 ⫻
6
8
10 12 14 16 18 20 22 24 ⫽
4. 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 ⫻
⫽
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 77
77 3/6/09 11:14:14 AM
Name:
Date:
Multiply. Use skip counting to help you. 5.
8⫻2⫽
6.
4⫻4⫽
7.
5⫻0⫽
8.
6⫻3⫽
9.
7⫻4⫽
10.
8⫻5⫽
11.
6 ⫻ 10 ⫽
12.
7⫻3⫽
Fill in the missing numbers.
⫻3⫽3⫻
14. 15.
⫽
4⫻
⫽
10 ⫻
16.
⫻5⫽5⫻
17.
⫻ 2 ⫽ 16
18.
⫻ 3 ⫽ 27
19.
4⫻
⫽ 36
20.
5⫻
⫽ 25
78
⫻ 4 ⫽ 20 ⫽ 24 ⫻ 10 ⫽ 90 ⫽ 45
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13.
Chapter 6 Lesson 6.1
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3/6/09 11:14:18 AM
Name:
Date:
Lesson 6.2
Multiply by 6
Look at each array model. Then fill in the blanks.
1.
a. 6 b. 30
12 36
24
36
42
Fill in the missing numbers.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Each beetle has six legs.
2.
a. 2 6 b. 4 6 c.
66
d. 8 6 e.
6 18
f.
6 42
g. 9 6 6 h. 10
10 60 Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 79
79 3/6/09 11:14:18 AM
Name:
Date:
Multiply. Use related multiplication facts to help you. 3.
6
a. 6 6 6 6 6 b. 5 6 30
76
2 6 12
c.
12
6
24
6
12 24
6
6
6
80
d. 18
6
36
6
54
666
6 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
7656
Chapter 6 Lesson 6.2
MS_Extra Practice_3A_Ch06_077-098.indd 80
3/6/09 11:14:21 AM
Name:
Date:
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Solve. Show your work. 4.
Pencils are given to 4 children. Each child has 6 pencils. How many pencils do the children have in all?
5.
A pet store owner keeps 6 birds in each cage. How many birds does he keep in 8 cages?
Extra Practice 3A
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81 3/6/09 11:14:22 AM
Date:
6.
Jason makes 6 bookmarks in an hour. How many bookmarks can he make in 7 hours?
7.
Siti has 9 dolls. Each doll costs $6. How much do the 9 dolls cost in all?
82
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Name:
Chapter 6 Lesson 6.2
MS_Extra Practice_3A_Ch06_077-098.indd 82
3/6/09 11:14:25 AM
Name:
Date:
Lesson 6.3
Multiply by 7
Look at each area model. Write the multiplication fact. 2.
1.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Fill in the missing numbers.
3.
27
4.
47
5.
57
6.
87
7.
7
49
7 63
8.
9.
77
21
10.
77
0 Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 83
83 3/6/09 11:14:26 AM
Name:
Date:
Fill in the missing numbers. 11.
8⫻7⫽4⫻7⫹
⫻7
12.
6⫻7⫽3⫻7⫹
⫻7
13.
For a relay race, teams of 7 children each are formed. How many children are there in 6 teams?
14.
When 36 is added to a number, the answer is the same as multiplying the number by 7. What is the number?
84
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Solve. Show your work.
Chapter 6 Lesson 6.3
MS_Extra Practice_3A_Ch06_077-098.indd 84
3/6/09 11:14:29 AM
Name:
Date:
Lesson 6.4
Multiply by 8
Complete each skip-counting pattern. 0 1.
8
2.
40
8
16 24 32 40 48 56 64 72 80 88 96
16
48 72
Fill in the missing numbers. I have 8 tentacles.
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3.
1
3
8
8
24
5
9
8
7
4
6
1
0
Fill in the missing numbers. 2
4.
28
5.
8 8 8 8 24
6.
40
7.
40 40
8
88 8
8
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 85
85 3/6/09 11:14:29 AM
Name:
Date:
Solve. Show your work. Keenan spends $8 a day. How much does he spend in a week? Monday Tuesday Wednesday Thursday Friday Saturday Sunday
9.
86
Mrs. Li has 9 grandchildren. She gives each grandchild 8 storybooks. How many storybooks does Mrs. Li give altogether?
$8 $8 $8 $8 $8 $8 $8
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
8.
Chapter 6 Lesson 6.4
MS_Extra Practice_3A_Ch06_077-098.indd 86
3/6/09 11:14:38 AM
Name:
Date:
Lesson 6.5
Multiply by 9
Fill in the missing numbers. I am holding up 9 fingers.
1.
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9
1
3
9
27
5
9
8
7
4
6
10
Multiply. Use related multiplication facts to help you. 2.
9 9 5 groups of 9
groups of 9
OR 9 9 10 groups of 9
group of 9
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 87
87 3/6/09 11:14:40 AM
Name:
Date:
3.
Pam buys 9 cartons of milk. She pays $4 for each carton. How much does Pam pay in all?
4.
When 56 is added to a number, the answer is the same as multiplying the number by 9. What is the number?
88
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Solve. Show your work.
Chapter 6 Lesson 6.5
MS_Extra Practice_3A_Ch06_077-098.indd 88
3/6/09 11:14:46 AM
Name:
Date:
Lesson 6.6
Division: Finding the Number of Items in Each Group
Circle to make equal groups. Then fill in the missing numbers. 1.
2.
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30 5 Each group has
48 6 Each group has
squares.
3.
hearts.
4.
21 3 Each group has triangles.
36 4 Each group has diamonds.
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 89
89 3/6/09 11:14:46 AM
Name:
Date:
Fill in the missing numbers. 5.
7
56
So, 56 7
6.
8
72
So, 72 8
7.
9
54
So, 54 9
8.
6
42
So, 42 6
Each square is the product of the circles on either side of it. Fill in the missing numbers. Then use each multiplication fact to write two division facts.
7
28
4
90
56
32
8
4
7
28
28
4
7
28
7
4
8
7
56
56
7
8
56
8
7
4
8
32
32
4
8
32
8
4
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Example
Chapter 6 Lesson 6.6
MS_Extra Practice_3A_Ch06_077-098.indd 90
3/6/09 11:14:50 AM
Name:
Date:
9.
8
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5
6
10.
6
7
9
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 91
91 3/6/09 11:14:50 AM
Name:
Date:
11.
Lee puts 54 stickers equally in 6 albums. How many stickers are there in each album?
12.
Mrs. Thomas buys 42 flowers. She puts the flowers equally into 7 vases. How many flowers does each vase have?
92
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Solve. Show your work.
Chapter 6 Lesson 6.6
MS_Extra Practice_3A_Ch06_077-098.indd 92
3/6/09 11:14:50 AM
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Name:
Date:
13.
Mr. Li fills 8 pails with a total of 72 liters of water. Every pail has the same amount of water. How much water does each pail contain?
14.
A book has 81 pages in all. There are 9 chapters in the book. Each chapter contains the same number of pages. How many pages does each chapter contain?
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 93
93 3/6/09 11:14:51 AM
Name:
Jon shares a box of biscuits with 6 other friends. There are 35 biscuits in the box. How many biscuits does each child get?
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15.
Date:
94
Chapter 6 Lesson 6.6
MS_Extra Practice_3A_Ch06_077-098.indd 94
3/10/09 8:40:23 PM
Name:
Date:
Lesson 6.7
Division: Making Equal Groups
Fill in the missing numbers. 9 72
1.
8 24
2. 24 8
72 9 Divide. 3.
56 7
4.
42 6
5.
64 8
6.
81 9
Solve. Show your work.
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7.
Each boat has 7 sailors. There are 63 sailors altogether. How many boats are there?
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 95
95 3/6/09 11:14:51 AM
Date:
8.
There are 48 children participating in the math competition. The children are placed in groups. Each group has 6 children. How many groups are there?
9.
Marco has 56 markers. He keeps 8 markers in each box. How many boxes of markers does Marco have?
96
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Name:
Chapter 6 Lesson 6.7
MS_Extra Practice_3A_Ch06_077-098.indd 96
3/6/09 11:14:51 AM
Name:
Date:
Put on Your Thinking Cap! 1.
Nicole thinks of two numbers. Both numbers are 2-digit numbers. Both digits are different. What are Nicole’s numbers? Use the clues below to help find her numbers. 1st number
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a.
Clues The sum of its two digits is 10. The tens digit is greater than the ones digit. You say the number when you count by eights. The number is greater than half of 100 but less than 9 ⫻ 9.
Nicole’s first number is
. 2nd number
b.
Clues The sum of its two digits is 6. The tens digit is greater than the ones digit. You say the number when you count by sixes. You also say it when you count by sevens. The number is less than half of 100.
Nicole’s second number is
. Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 97
97 3/6/09 11:14:51 AM
Name:
2.
Date:
A square table can seat 4 children.
When Mrs. Smith places 2 square tables together, 6 children can sit around the two tables.
b. If she places 4 square tables together, how many children can sit around the tables?
c.
98
If she places 10 square tables together, how many children can sit around the tables? How did you find the answer?
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
a. If Mrs. Smith places 3 square tables together, how many children can sit around the tables?
Chapter 6 Put on Your Thinking Cap!
MS_Extra Practice_3A_Ch06_077-098.indd 98
3/6/09 11:14:51 AM
P H A TE
6
R
C
Name:
Multiplication Tables of 6, 7, 8, and 9
Lesson 6.1
Multiplication Properties
Look at each number line. Write the multiplication fact. 1. 0
2
4
6
8 10 12 14 16 18 20 22 24 26
⫻
⫽
2.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 ⫻
⫽
3. 0
2
4 ⫻
6
8
10 12 14 16 18 20 22 24 ⫽
4. 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 ⫻
⫽
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 77
77 3/6/09 11:14:14 AM
Name:
Date:
Multiply. Use skip counting to help you. 5.
8⫻2⫽
6.
4⫻4⫽
7.
5⫻0⫽
8.
6⫻3⫽
9.
7⫻4⫽
10.
8⫻5⫽
11.
6 ⫻ 10 ⫽
12.
7⫻3⫽
Fill in the missing numbers.
⫻3⫽3⫻
14. 15.
⫽
4⫻
⫽
10 ⫻
16.
⫻5⫽5⫻
17.
⫻ 2 ⫽ 16
18.
⫻ 3 ⫽ 27
19.
4⫻
⫽ 36
20.
5⫻
⫽ 25
78
⫻ 4 ⫽ 20 ⫽ 24 ⫻ 10 ⫽ 90 ⫽ 45
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
13.
Chapter 6 Lesson 6.1
MS_Extra Practice_3A_Ch06_077-098.indd 78
3/6/09 11:14:18 AM
Name:
Date:
Lesson 6.2
Multiply by 6
Look at each array model. Then fill in the blanks.
1.
a. 6 b. 30
12 36
24
36
42
Fill in the missing numbers.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Each beetle has six legs.
2.
a. 2 6 b. 4 6 c.
66
d. 8 6 e.
6 18
f.
6 42
g. 9 6 6 h. 10
10 60 Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 79
79 3/6/09 11:14:18 AM
Name:
Date:
Multiply. Use related multiplication facts to help you. 3.
6
a. 6 6 6 6 6 b. 5 6 30
76
2 6 12
c.
12
6
24
6
12 24
6
6
6
80
d. 18
6
36
6
54
666
6 © 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
7656
Chapter 6 Lesson 6.2
MS_Extra Practice_3A_Ch06_077-098.indd 80
3/6/09 11:14:21 AM
Name:
Date:
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Solve. Show your work. 4.
Pencils are given to 4 children. Each child has 6 pencils. How many pencils do the children have in all?
5.
A pet store owner keeps 6 birds in each cage. How many birds does he keep in 8 cages?
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 81
81 3/6/09 11:14:22 AM
Date:
6.
Jason makes 6 bookmarks in an hour. How many bookmarks can he make in 7 hours?
7.
Siti has 9 dolls. Each doll costs $6. How much do the 9 dolls cost in all?
82
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Name:
Chapter 6 Lesson 6.2
MS_Extra Practice_3A_Ch06_077-098.indd 82
3/6/09 11:14:25 AM
Name:
Date:
Lesson 6.3
Multiply by 7
Look at each area model. Write the multiplication fact. 2.
1.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Fill in the missing numbers.
3.
27
4.
47
5.
57
6.
87
7.
7
49
7 63
8.
9.
77
21
10.
77
0 Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 83
83 3/6/09 11:14:26 AM
Name:
Date:
Fill in the missing numbers. 11.
8⫻7⫽4⫻7⫹
⫻7
12.
6⫻7⫽3⫻7⫹
⫻7
13.
For a relay race, teams of 7 children each are formed. How many children are there in 6 teams?
14.
When 36 is added to a number, the answer is the same as multiplying the number by 7. What is the number?
84
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Solve. Show your work.
Chapter 6 Lesson 6.3
MS_Extra Practice_3A_Ch06_077-098.indd 84
3/6/09 11:14:29 AM
Name:
Date:
Lesson 6.4
Multiply by 8
Complete each skip-counting pattern. 0 1.
8
2.
40
8
16 24 32 40 48 56 64 72 80 88 96
16
48 72
Fill in the missing numbers. I have 8 tentacles.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
3.
1
3
8
8
24
5
9
8
7
4
6
1
0
Fill in the missing numbers. 2
4.
28
5.
8 8 8 8 24
6.
40
7.
40 40
8
88 8
8
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 85
85 3/6/09 11:14:29 AM
Name:
Date:
Solve. Show your work. Keenan spends $8 a day. How much does he spend in a week? Monday Tuesday Wednesday Thursday Friday Saturday Sunday
9.
86
Mrs. Li has 9 grandchildren. She gives each grandchild 8 storybooks. How many storybooks does Mrs. Li give altogether?
$8 $8 $8 $8 $8 $8 $8
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
8.
Chapter 6 Lesson 6.4
MS_Extra Practice_3A_Ch06_077-098.indd 86
3/6/09 11:14:38 AM
Name:
Date:
Lesson 6.5
Multiply by 9
Fill in the missing numbers. I am holding up 9 fingers.
1.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
9
1
3
9
27
5
9
8
7
4
6
10
Multiply. Use related multiplication facts to help you. 2.
9 9 5 groups of 9
groups of 9
OR 9 9 10 groups of 9
group of 9
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 87
87 3/6/09 11:14:40 AM
Name:
Date:
3.
Pam buys 9 cartons of milk. She pays $4 for each carton. How much does Pam pay in all?
4.
When 56 is added to a number, the answer is the same as multiplying the number by 9. What is the number?
88
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Solve. Show your work.
Chapter 6 Lesson 6.5
MS_Extra Practice_3A_Ch06_077-098.indd 88
3/6/09 11:14:46 AM
Name:
Date:
Lesson 6.6
Division: Finding the Number of Items in Each Group
Circle to make equal groups. Then fill in the missing numbers. 1.
2.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
30 5 Each group has
48 6 Each group has
squares.
3.
hearts.
4.
21 3 Each group has triangles.
36 4 Each group has diamonds.
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 89
89 3/6/09 11:14:46 AM
Name:
Date:
Fill in the missing numbers. 5.
7
56
So, 56 7
6.
8
72
So, 72 8
7.
9
54
So, 54 9
8.
6
42
So, 42 6
Each square is the product of the circles on either side of it. Fill in the missing numbers. Then use each multiplication fact to write two division facts.
7
28
4
90
56
32
8
4
7
28
28
4
7
28
7
4
8
7
56
56
7
8
56
8
7
4
8
32
32
4
8
32
8
4
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Example
Chapter 6 Lesson 6.6
MS_Extra Practice_3A_Ch06_077-098.indd 90
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Name:
Date:
9.
8
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
5
6
10.
6
7
9
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 91
91 3/6/09 11:14:50 AM
Name:
Date:
11.
Lee puts 54 stickers equally in 6 albums. How many stickers are there in each album?
12.
Mrs. Thomas buys 42 flowers. She puts the flowers equally into 7 vases. How many flowers does each vase have?
92
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Solve. Show your work.
Chapter 6 Lesson 6.6
MS_Extra Practice_3A_Ch06_077-098.indd 92
3/6/09 11:14:50 AM
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Name:
Date:
13.
Mr. Li fills 8 pails with a total of 72 liters of water. Every pail has the same amount of water. How much water does each pail contain?
14.
A book has 81 pages in all. There are 9 chapters in the book. Each chapter contains the same number of pages. How many pages does each chapter contain?
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 93
93 3/6/09 11:14:51 AM
Name:
Jon shares a box of biscuits with 6 other friends. There are 35 biscuits in the box. How many biscuits does each child get?
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
15.
Date:
94
Chapter 6 Lesson 6.6
MS_Extra Practice_3A_Ch06_077-098.indd 94
3/10/09 8:40:23 PM
Name:
Date:
Lesson 6.7
Division: Making Equal Groups
Fill in the missing numbers. 9 72
1.
8 24
2. 24 8
72 9 Divide. 3.
56 7
4.
42 6
5.
64 8
6.
81 9
Solve. Show your work.
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
7.
Each boat has 7 sailors. There are 63 sailors altogether. How many boats are there?
Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 95
95 3/6/09 11:14:51 AM
Date:
8.
There are 48 children participating in the math competition. The children are placed in groups. Each group has 6 children. How many groups are there?
9.
Marco has 56 markers. He keeps 8 markers in each box. How many boxes of markers does Marco have?
96
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
Name:
Chapter 6 Lesson 6.7
MS_Extra Practice_3A_Ch06_077-098.indd 96
3/6/09 11:14:51 AM
Name:
Date:
Put on Your Thinking Cap! 1.
Nicole thinks of two numbers. Both numbers are 2-digit numbers. Both digits are different. What are Nicole’s numbers? Use the clues below to help find her numbers. 1st number
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
a.
Clues The sum of its two digits is 10. The tens digit is greater than the ones digit. You say the number when you count by eights. The number is greater than half of 100 but less than 9 ⫻ 9.
Nicole’s first number is
. 2nd number
b.
Clues The sum of its two digits is 6. The tens digit is greater than the ones digit. You say the number when you count by sixes. You also say it when you count by sevens. The number is less than half of 100.
Nicole’s second number is
. Extra Practice 3A
MS_Extra Practice_3A_Ch06_077-098.indd 97
97 3/6/09 11:14:51 AM
Name:
2.
Date:
A square table can seat 4 children.
When Mrs. Smith places 2 square tables together, 6 children can sit around the two tables.
b. If she places 4 square tables together, how many children can sit around the tables?
c.
98
If she places 10 square tables together, how many children can sit around the tables? How did you find the answer?
© 2009 Marshall Cavendish International (Singapore) Private Limited. Copying is permitted; see page ii.
a. If Mrs. Smith places 3 square tables together, how many children can sit around the tables?
Chapter 6 Put on Your Thinking Cap!
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