# 2nd Grade - Make Estimates When Measuring

 Grade Level: 2nd Skill: Fractions Topic: Make Estimates When Measuring Goal: Recognize when an estimate is reasonable in measurements (e.g., closest inch). Skill Description: Check subtraction and addition problems using estimation. Round numbers to the nearest hundred.

## Building Blocks/Prerequisites

### Sample Problems

 (1) To estimate means to _______________________________. (to find the approximate calculation of quantity) (2) Solve the problem. Estimate to check your answer. Solve Check 242 +315 +_______ (3) Read the story problem and solve. Estimate to check your work.   Tara’s family traveled 279 miles to get to the beach. From the beach her family traveled another 129 miles to visit her grandmother. How many miles did Tara’s family travel.   Solve Check (4) Use the number line to solve problems 7-12. 700 710 720 730 740 750 760 770 780 790 800 I_____I____I____I____I_____I_____I____I_____I_____I_____I 709 is closer to ___________. (5) Find an object like the one shown in the picture. Estimate in inches the length of the object. Then use a ruler to measure.   Estimate: about ___________inches   Measure: about ___________ inches