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Lesson Plans and Worksheets for Grade 3
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Free math video lessons with examples and worked solutions to help Grade 3 students learn how to add measurements using the standard algorithm to compose larger units twice.

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

New York State Common Core Math Grade 3, Module 2, Lesson 16

Download Worksheet for Common Core Grade 3, Module 2, Lesson 16

Application Problem
Josh’s apple weighs 93 grams. His pear weighs 152 grams.
What is the total weight of the apple and the pear?
Use the standard algorithm to compose larger units once.

Concept Development
Bag A has 266 grams of beans, and Bag B has 158 grams of beans.
Use our place value charts and disks to figure out how many grams of beans we have altogether.
For bag B, put 8 ones disks in the ones column, 5 tens disks in the tens column, and 1 hundreds disk in the hundreds column.
For bag A, place 6 ones disks, 6 tens disks, and 2 hundreds disks in respective columns.
Move the disks to add 266 grams to 158 grams. Homework
1. Find the sums below.
a. 47 m + 8 m
f. 463 mL + 179mL
j. 4 L 342 mL + 2 L 214 mL



Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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