 # Round Two-Digit Measurements

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Lesson Plans and Worksheets for Grade 3
Lesson Plans and Worksheets for all Grades

Examples, videos, and solutions to help Grade 3 students learn how to round two-digit measurements to the nearest ten on the vertical number line.

Common Core Standards: 3.NBT.1, 3.MD.1, 3.MD.2

### New York State Common Core Math Grade 3, Module 2, Lesson 12

Concept Development

How many tens are in 73?

What is 1 more ten than 7 tens?

Which number is halfway between 7 tens and 8 tens? 7 tens and 5 ones, or 75.

Plot 73 on the number line. Homework

1. Complete the chart. Choose objects and use a ruler/meter stick to complete the last two on your own.

2. Gym class ends at 10:27 a.m. Round the time to the nearest 10 minutes.

3. Measure the liquid in the beaker to the nearest 10 milliliters.

4. Mrs. Santos' weight is shown on the scale. Round the weight to the nearest 10 kilograms.
Mrs. Santos' weight is _________ kilograms.
Mrs. Santos weighs about _________ kilograms.

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