You have learned to use the standard algorithm to multiply 23 and 4 digit numbers by a 1 digit number Today you will estimate to check if your answer is reasonable The first three rows of a movie theater are empty What multiplication fact tells how many people are sitting in these rows If ID: 1044870
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1. 6-5 Multiplying by 1 digit numbers and estimating to check for reasonableness
2. You have learned to use the standard algorithm to multiply 2,3, and 4 digit numbers by a 1 digit number. Today, you will estimate to check if your answer is reasonable.
3. The first three rows of a movie theater are empty. What multiplication fact tells how many people are sitting in these rows? If you multiply by zero, what is the product?
4. A Cineplex contains 4 movie theaters. Each theater can seat 312 people. Multiply to find how many people the Cineplex can seat in all. Then, check that your answer is reasonable.
5. Multiply 360 x 3Then, check for reasaonableness
6. Find the product 6 x 4,296Explain how you would estimate to check if your answer is reasonable.
7. Guided practice1. 188 x 52. 276 x 6
8. Work on page 152-153numbers 9-32Check with a friendSee me.Problem solve.