Multiplication with Partial Products
Practice multiplying two-digit numbers by one-digit numbers using the partial products method.
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Multiplication with Partial Products
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Read each question carefully and solve using the partial products method. Show your work.
1. Multiply 13 x 4.
2. Multiply 21 x 3.
3. Multiply 15 x 5.
4. To solve 24 x 2 using partial products, you first multiply 2 x 4 = , and then you multiply 2 x 20 = . Finally, you add the partial products to get the answer: .
5. The partial products for 32 x 3 are (3 x 2) and (3 x 30).
6. Which of the following shows the correct partial products for 18 x 3?
10 x 3 and 8 x 3
1 x 3 and 8 x 3
18 x 1 and 18 x 3
10 x 8 and 3 x 8
7. What is the sum of the partial products for 45 x 2?
80 + 10 = 90
40 + 5 = 45
40 x 2 + 5 x 2 = 80 + 10 = 90
4 x 2 + 5 x 2 = 8 + 10 = 18
8. A baker bakes 12 cakes every day. How many cakes does the baker bake in 3 days? Use the partial products method to solve.
9. Sarah has 2 bags of apples. Each bag has 25 apples. How many apples does Sarah have in total? Show your work using partial products.