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Represent the Composition of 10 Ones




 

Videos and solutions to help Grade 2 students learn how to use manipulatives to represent the composition of 10 ones as 1 ten with two-digit addends.

Common Core Standards: 2.NBT.2, 2.NBT.1, 2.NBT.3, 2.MD.8

Related Topics:
Common Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math Video Lessons, Math Worksheets and Games for Grade 2

Common Core Math Video Lessons, Math Worksheets and Games for all grades

New York State Common Core Math Module 4, Grade 2, Lessons 6


NYS Math Module 4 Grade 2 Lesson 6


Lesson 6 Homework

1. Solve using mental math if you can. Use your place value chart and number disks to solve those you cannot do mentally.
a. 4 + 9 = _____
30 + 9 = _____
34 + 9 = ______
34 + 49 = ______

2. Solve the following problems using your place value chart and number disks, composing a ten when necessary.
a. 21 + 9 = _____
22 + 9 = ______
i. 59 + 34 = _____

Solve using a place value chart.
3. Melissa has 36 more crayons than her brother. Her brother has 49 crayons. How many crayons does Melissa have?

5. Frank’s mother gave him $25 to save. If he already had $38 saved, how much money does Frank have saved now?






 

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