Add 2-digit Numbers (Grade 2)

Videos, examples, and solutions to help Grade 2 students learn to add up to four two-digit numbers using strategies based on place value and properties of operations.

Common Core: 2.NBT.6

Suggested Learning Target

• I can add up to four two-digit numbers by applying strategies (e.g., decomposing numbers, rearranging the order of the numbers, making tens or multiples of tens based on the numbers being added).

• I know how to apply strategies such as expanded form, empty number line and partial sums

[2.NBT.6] Add 4 Numbers - Common Core Standard
How to add up to four two-digit numbers using strategies based on place value and properties of operations?
Example:
What’s the total of these four numbers?
18 + 29 + 36 + 17

Add three two-digit numbers within 100 where the ones add to below 10 Example:
What’s the total of these three numbers?
43 + 24 + 22

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Add three two-digit numbers
Add three two-digit numbers within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Example:
What’s the total of these three numbers?
30 + 16 + 37

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Add four two-digit numbers
Add four two-digit numbers within 100 where the ones add to below 10.
Example:
What’s the total of these four numbers?
23 + 13 + 40 + 13

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Adding Four 2-digit numbers

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Add 3 Numbers - Common Core Standard - Word Problem
Example:
I had 29 gumballs to start with. Last week, I got another 26 gumballs, and next week I’ll get 9 more. How many gumballs will I have in total next week?

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Add 4 Numbers - Common Core Standard - Word Problem
Example:
I had $23 saved to start with. Last week, I saved $20, and this week I saved another $12. If I get $31 next week, how much will I have saved in total?

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