Author's Instructions
Work Together
Complete each equation. Then multiply mentally.
7. 4 x 40 4x (4x ______. )x7= _____
8. 5x7x2=(5 x_____) x2= ______
9. 2 x2 x 50 = (2 x _____ ) x 2 = _____
10. 2 x 5 x 20 = 2 x (5 x ____) = _____
11. 7 x 15 = (7 x _____ ) +(7 x 5) = _____
12. 2 x (50 +8)=(2 x 50) + (2 x ____)= ____
13. ________ x (50+7)=(2 x 50) + (2 x 7) = ______
14. 3 x (50+ ______ ) = (3 x 50) + (3 x 6) = _____
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Author's Instructions
Work Together
Complete each equation. Then multiply mentally.
7. 4 x 40 4x (4x ______. )x7= _____
8. 5x7x2=(5 x_____) x2= ______
9. 2 x2 x 50 = (2 x _____ ) x 2 = _____
10. 2 x 5 x 20 = 2 x (5 x ____) = _____
11. 7 x 15 = (7 x _____ ) +(7 x 5) = _____
12. 2 x (50 +8)=(2 x 50) + (2 x ____)= ____
13. ________ x (50+7)=(2 x 50) + (2 x 7) = ______
14. 3 x (50+ ______ ) = (3 x 50) + (3 x 6) = _____