Estimating Products in Word Problems

Grade 445 minutes5.CE.1 The student will estimate, represent, solve, and justify solutions to single-step and multistep contextual problems using addition, subtraction, multiplication, and division with whole numbers.

Learning Objective

I can estimate the answer to a word problem by rounding the numbers and then multiplying.

Practice Questions

This lesson includes 7 practice questions to reinforce learning.

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1. Explain in your own words what it means to estimate a whole number product.

2. Round 78 × 51 using front-end estimation. Show your work.

3. You need to multiply 21 × 67. Round each number in a way that makes the multiplication easy for you to do mentally. What is your estimated product?

...and 4 more questions

Educational Video

Estimating Whole Number Products | Multiplication Estimation | Math with Mr. J

Math with Mr. J

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