Resource Overview
Resource Overview Quantile® Measure:
350Q
Skill or Concept:
Use multiplication facts through 144. (QT‐N‐121) Know and use division facts related to multiplication facts through 144. (QT‐N‐162)
Excerpted from:
The Math Learning Center PO Box 12929, Salem, Oregon 97309‐0929 www.mathlearningcenter.org © Math Learning Center
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Set A2 Number & Operations: Basic Multiplication & Division Blackline Use anytime after Set A2 Activities 1 & 2. Run a class set..
name
date
Set A2 H Independent Worksheet 4 Independent Worksheet
Fact Family Triangles
1
2 × 4 and 4 × 2 are 8. 8 ÷ 2 = 4 and 8 ÷ 4 = 2. Can you see how 2, 4, and 8 are related? That’s why they’re called a fact family. Each of the triangles below shows a fact family. Write 2 multiplication and 2 division facts for each family. The first one has been done for you.
example 5
2
10
b
a 2 x 5 = 10 5 x 2 = 10 10 ÷ 2 = 5 10 ÷5 = 2
3
6
18
c 7
6
56
42
d
7
8
e 9
6
9
54
f
45
5
g 63
7
6
9
4
24
(Continued on back.) © The Math Learning Center
Bridges in Mathematics Grade 3 Supplement • A2.19
Set A2 Number & Operations: Basic Multiplication & Division Blackline Run a class set
Independent Worksheet 4 Fact Family Triangles (cont.)
2
Several Fact Families went to the amusement park. One member of each family got lost. Write in the missing member of each family. The first one has been done for you.
example
a
48
6
3
8
12
Write in 6 because 6 × 8 = 48
Hint: 3 times what equals 12?
b
c 30
9
5
4
d
e 21
24
7
f
3
g 32
7
4
4
(Continued on next page.) A2.20 • Bridges in Mathematics Grade 3 Supplement
© The Math Learning Center
Set A2 Number & Operations: Basic Multiplication & Division Blackline Run a class set.
Independent Worksheet 4 Fact Family Triangles (cont.)
h
i 9
7
3
7
j
k 35
7
45 5
Challenge
3
Nine of the fact families whose members are all less than 100 have “twins” or two family members that are the same number. One of these families is 6 × 6 = 36 and 36 ÷ 6 = 6 Another is 3 × 3 = 9 and 9 ÷ 3 = 3 List the other fact families whose members are less than 100 that have twins. One of these families has triplets–which one?
© The Math Learning Center
Bridges in Mathematics Grade 3 Supplement • A2.21
A2.22 • Bridges in Mathematics Grade 3 Supplement
© The Math Learning Center
