Multiply two-digit multiples of 10 by two-digit numbers.
If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 1 and Anchor Task 2 (benefit from discussion). Find more guidance on adapting our math curriculum for remote learning here.
Two different students solved the problem 40 x 22 below. Study their work and determine whether the strategy they used works.
Yet another student solved $$40 \times 22$$ with a different strategy below. Study their work and determine whether the strategy they used works.
Estimate each product. Then use any method to solve.
a. 60 x 31
b. 18 x 70
c. 90 x 56
d. 35 x 80
Which of these expressions can be used to find the product 20 x 41? Select the two correct answers.
A. 41 x 10 + 2
B. 41 x 2 x 10
C. (40 + 20) x (1 + 20)
D. 20 x 40 + 1
E. 41 x 2 x 10
F. (20 x 40) + (20 x 1)
Solve. Show or explain your work.
32 x 60
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