Math 205
10
A skunk cannot spray until it is three weeks old.
Count forward and backward by 4’s to 40. Count forward and backward by 12’s to 60. Practice your J and L flash cards for 5 minutes. Do Speed Drill 10 on page 76. Record your score in the graph on page 71. Ask your teacher for Quiz 2.
You have learned to count by 2’s, 5’s, 3’s, 4’s, 10’s, and 12’s. Can you fill in the missing numbers? 1.
7, 17,
3.
6, 9, 12,
2.
4.
5.
, 35,
,
, 28, 24, , 24,
,
,
, 25,
, 57,
,
, 16,
, 48,
,
,
, ,
,
,
, , 43
11
A beaver can hold its breath under water for 15 minutes.
Count forward and backward by 4’s to 40. Count by even numbers to 30. Practice your K and L flash cards for 5 minutes. Do Speed Drill 11 on page 77. Record your score in the graph on page 71.
Add or Subtract Money
Follow the steps to add or subtract money. STEP 1
Copy the numbers. Keep the decimal points in a vertical line. 1
44
STEP 2
Add or subtract as usual.
STEP 3
Write a dollar sign. Write a decimal point in the answer. Make sure the decimal point is in a vertical line under the other decimal points.
$2.20 + .85 $3..05
Lesson 11
Copy and solve. The first one shows you how. 1.
$1.23 + $.12
$5.40 + $2.25
$3.67 – $1.32
$1.23 + .12
Write the four related facts. 2.
5
13
8
Related Subtraction Facts
Write the answers. 3.
5 +8
Twins
13 – 8
13 – 5
8 +5
7 +4
11 – 7
11 – 4
4 +7
45
Lesson 11
4.
Solution
“Do you remember some of the flower shapes we saw?” asked Miss Mary. “Yes,” said David. “I saw 3 dandelions in the shape of a circle. There were 2 trilliums that looked like triangles and 6 violets in the shape of a pentagon.” How many flowers did David see? flowers
5.
342 + 42
589 – 34
6.
756 –524
232 +524
42 63 + 2
63 +32
23 +42
137 +582
Color the tenth shape.
46
7. Which shape is not a polygon?
th
63 22 + 3
483 +444
3 1 4 +5
Lesson 11
Write the next three numbers for this time pattern.
3:30
8.
3:45
4:00
Write the time for each clock. 9.
10
11 12 1
9
8
7
5
6
2 4
3
10
11 12 1
2
9
8
7
4
5
6
10
3
11 12 1
2
9
8
7
6
4
5
3
Put hands on the clocks. 10.
10
11 12 1
2
9
8
Write 11.
12. 13.
=
or
7
≠
6
5
3
3:40
.
8+5 12
4
1 dime
10
11 12 1
9
8
7
6
5
2 4
10
9
3
8
7:00
13
3+8
10 pennies
11 12 1
7
6
5
2 4
3
2:50
Circle the number of different digits that can be used to write any number. 14.
5
100
10
20
Write the tens the numbers come between. 15.
72
25
47
Lesson 11
Fill in the blanks. 16. 1 pint =
17. 1 quart = 18. 1 quart =
19. 1 pound =
Show the hundreds, tens, and ones in each number.
cups
20.
cups
pints
384
hundreds
tens
ones
642 706
ounces
The hand on a speedometer shows how fast a car is moving. What number does the hand on this speedometer point to? 21.
5
15
25
35
45
55
Draw a flower with 3 petals inside the triangle. Draw a flower with 4 petals inside the square. Draw a flower with 5 petals inside the pentagon. 22.
48
You may color the flowers.
65
75
12
A cold snake isn’t hungry.
Count forward and backward by 4’s to 40. Count by 25’s to 400. Practice your I and L flash cards for 5 minutes. Do Speed Drill 12 on page 77. Record your score in the graph on page 71.
Quarts and Gallons
Many items are measured in gallons (galå • éns). 1 gallon paint
2 gallons bucket of water
1 gallon fabric softener
1 gallon gasoline
5 gallons paint or oil
1 gallon vinegar
5 gallons gasoline
49
Lesson 12
= 4 quarts = 1 gallon
Write
.
1. quart
Fill in the blanks.
2. 1 gallon =
gallon
gallon
quarts
quart
4 quarts =
gallon
Solution
3. Mother skunk had 10 babies. Mother beaver had 4 babies, and Mama rattlesnake had 12 babies. How many animal babies is that? babies
Find the sums. 4.
50
439 + 47
52 +38
175 +506
364 +428
38 20 + 5
2 1 4 +5
Find the differences. Add to check the last two. 5.
46 –36
445 – 23
89 –55
Lesson 12
765 –423
Write the time for each clock. 6.
10
11 12 1
9
8
7
6
5
2 4
8.
9
3
Fill in the blanks. 7.
10
1 day =
1 foot =
11 12 1
8
hours
inches
7
6
5
2 4
10
9
3
8
$6.23 + $.06
7
6
5
2 4
3
Expand the numbers. 9.
10.
73 = 49 =
Copy and solve. The first one shows you how. 11.
11 12 1
$2.50 + $3.42
+ +
$7.35 – $2.13
$6.23 + .06 51
Lesson 12
12.
5 + 8
7 + 5
Find the differences. 13.
–9
14.
6 –4
15 – 9
8 –6
17 – 9
8 + 5
5 + 7
13 – 8
12 – 7
12 – 5
13 – 5
10 – 8
4 –2
11 – 9
7 –5
5 –3
9 –7
13 – 9
12 – 9
Draw the following. 15.
16.
line ray
Write the amount. Use the dollar sign. 17.
52
14 – 9
16 – 9
Lesson 12
Circle equal groups. Answer the question.
18. There were 6 snakes at the nature center. 2 of the snakes were poisonous. How many of the snakes were poisonous? snakes
B
Which points mark a rectangle? 19.
Answer the questions.
20. How long is your schoolroom ?
21. How long is the Texas blind snake?
22. How long is the mouse?
A
C
E
D
meters inches
centimeters
53
A skunk cannot spray until it is three weeks old.
Count forward and backward by 4’s to 40. Count forward and backward by 12’s to 60. Practice your J and L flash cards for 5 minutes. Do Speed Drill 10 on page 76. Record your score in the graph on page 71. Ask your teacher for Quiz 2.
You have learned to count by 2’s, 5’s, 3’s, 4’s, 10’s, and 12’s. Can you fill in the missing numbers? 1.
7, 17,
3.
6, 9, 12,
2.
4.
5.
, 35,
,
, 28, 24, , 24,
,
,
, 25,
, 57,
,
, 16,
, 48,
,
,
, ,
,
,
, , 43
11
A beaver can hold its breath under water for 15 minutes.
Count forward and backward by 4’s to 40. Count by even numbers to 30. Practice your K and L flash cards for 5 minutes. Do Speed Drill 11 on page 77. Record your score in the graph on page 71.
Add or Subtract Money
Follow the steps to add or subtract money. STEP 1
Copy the numbers. Keep the decimal points in a vertical line. 1
44
STEP 2
Add or subtract as usual.
STEP 3
Write a dollar sign. Write a decimal point in the answer. Make sure the decimal point is in a vertical line under the other decimal points.
$2.20 + .85 $3..05
Lesson 11
Copy and solve. The first one shows you how. 1.
$1.23 + $.12
$5.40 + $2.25
$3.67 – $1.32
$1.23 + .12
Write the four related facts. 2.
5
13
8
Related Subtraction Facts
Write the answers. 3.
5 +8
Twins
13 – 8
13 – 5
8 +5
7 +4
11 – 7
11 – 4
4 +7
45
Lesson 11
4.
Solution
“Do you remember some of the flower shapes we saw?” asked Miss Mary. “Yes,” said David. “I saw 3 dandelions in the shape of a circle. There were 2 trilliums that looked like triangles and 6 violets in the shape of a pentagon.” How many flowers did David see? flowers
5.
342 + 42
589 – 34
6.
756 –524
232 +524
42 63 + 2
63 +32
23 +42
137 +582
Color the tenth shape.
46
7. Which shape is not a polygon?
th
63 22 + 3
483 +444
3 1 4 +5
Lesson 11
Write the next three numbers for this time pattern.
3:30
8.
3:45
4:00
Write the time for each clock. 9.
10
11 12 1
9
8
7
5
6
2 4
3
10
11 12 1
2
9
8
7
4
5
6
10
3
11 12 1
2
9
8
7
6
4
5
3
Put hands on the clocks. 10.
10
11 12 1
2
9
8
Write 11.
12. 13.
=
or
7
≠
6
5
3
3:40
.
8+5 12
4
1 dime
10
11 12 1
9
8
7
6
5
2 4
10
9
3
8
7:00
13
3+8
10 pennies
11 12 1
7
6
5
2 4
3
2:50
Circle the number of different digits that can be used to write any number. 14.
5
100
10
20
Write the tens the numbers come between. 15.
72
25
47
Lesson 11
Fill in the blanks. 16. 1 pint =
17. 1 quart = 18. 1 quart =
19. 1 pound =
Show the hundreds, tens, and ones in each number.
cups
20.
cups
pints
384
hundreds
tens
ones
642 706
ounces
The hand on a speedometer shows how fast a car is moving. What number does the hand on this speedometer point to? 21.
5
15
25
35
45
55
Draw a flower with 3 petals inside the triangle. Draw a flower with 4 petals inside the square. Draw a flower with 5 petals inside the pentagon. 22.
48
You may color the flowers.
65
75
12
A cold snake isn’t hungry.
Count forward and backward by 4’s to 40. Count by 25’s to 400. Practice your I and L flash cards for 5 minutes. Do Speed Drill 12 on page 77. Record your score in the graph on page 71.
Quarts and Gallons
Many items are measured in gallons (galå • éns). 1 gallon paint
2 gallons bucket of water
1 gallon fabric softener
1 gallon gasoline
5 gallons paint or oil
1 gallon vinegar
5 gallons gasoline
49
Lesson 12
= 4 quarts = 1 gallon
Write
.
1. quart
Fill in the blanks.
2. 1 gallon =
gallon
gallon
quarts
quart
4 quarts =
gallon
Solution
3. Mother skunk had 10 babies. Mother beaver had 4 babies, and Mama rattlesnake had 12 babies. How many animal babies is that? babies
Find the sums. 4.
50
439 + 47
52 +38
175 +506
364 +428
38 20 + 5
2 1 4 +5
Find the differences. Add to check the last two. 5.
46 –36
445 – 23
89 –55
Lesson 12
765 –423
Write the time for each clock. 6.
10
11 12 1
9
8
7
6
5
2 4
8.
9
3
Fill in the blanks. 7.
10
1 day =
1 foot =
11 12 1
8
hours
inches
7
6
5
2 4
10
9
3
8
$6.23 + $.06
7
6
5
2 4
3
Expand the numbers. 9.
10.
73 = 49 =
Copy and solve. The first one shows you how. 11.
11 12 1
$2.50 + $3.42
+ +
$7.35 – $2.13
$6.23 + .06 51
Lesson 12
12.
5 + 8
7 + 5
Find the differences. 13.
–9
14.
6 –4
15 – 9
8 –6
17 – 9
8 + 5
5 + 7
13 – 8
12 – 7
12 – 5
13 – 5
10 – 8
4 –2
11 – 9
7 –5
5 –3
9 –7
13 – 9
12 – 9
Draw the following. 15.
16.
line ray
Write the amount. Use the dollar sign. 17.
52
14 – 9
16 – 9
Lesson 12
Circle equal groups. Answer the question.
18. There were 6 snakes at the nature center. 2 of the snakes were poisonous. How many of the snakes were poisonous? snakes
B
Which points mark a rectangle? 19.
Answer the questions.
20. How long is your schoolroom ?
21. How long is the Texas blind snake?
22. How long is the mouse?
A
C
E
D
meters inches
centimeters
53
