1.
Write an addition and a multiplication sentence for the model.
A.
3 + 3 + 3 = 9;
3 × 3 = 9
B.
3 + 3 + 3 + 3 = 12; 3 × 3 = 12
C.
3 + 3 + 3 = 12;
3 × 3 = 12
D.
3 + 3 = 6;
3 × 3 = 6
Hint
2.
Use repeated addition to find 6 × 5.
A.
5 + 5 + 5 + 5 + 5 + 5 = 35
B.
6 + 5 = 11
C.
5 + 5 + 5 + 5 + 5 + 5 = 30
D.
5 + 5 + 5 + 5 + 5 + 5 = 65
Hint
3.
Can a set of 3 trees be multiplied by 6? Explain.
A.
No; trees are never multiplied.
B.
Yes; just find more trees, 3 at a time, until you have 6 × 3 of them.
C.
Yes; just count more trees until you reach 3 × 3.
D.
No; it takes much too long for a tree to grow.
Hint
4.
Use repeated addition to find 4 × 2.
A.
2 + 2 + 2 = 6
B.
2 + 2 + 2 + 2 = 42
C.
2 + 2 + 2 + 2 = 8
D.
22 + 22 = 44
Hint
5.
Use repeated addition to find 3 × 4.
A.
4 + 4 + 4 = 444
B.
4 + 4 + 4 = 34
C.
4 + 4 + 4 = 12
D.
4 + 4 = 7
Hint