Build fluency with multiplication facts using units of 2, 5, and 10.
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How many?
Solve.
a. $$9\times 2 =$$ _____
b. _____ $$= 5 \times 2$$
c. $$2\times 5 = $$ _____
d. _____ $$= 9\times 5$$
e. $$4\times 10 =$$ _____
f. _____ $$= 10\times 10$$
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Solve.
1. $$8\times10=$$ _____ 2. _____ $$= 9\times 5$$ 3. $$7\times 2 =$$ _____
Karen counts, “5, 10, 15, 20, 25, 30.” Write a multiplication sentence that corresponds with this count-by.
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