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

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

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

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?

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?

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