Basic Addition
Count On by 1's or 10's
To regroup or not to regroup
Word Problems
100
Add. 2 tens + 5 tens = _____ tens
What is 7 tens. (2 tens + 5 tens...Think 2 + 5 = 7)
100
Count on to solve: 55 + 2.
What is 57. (Think: 55, 56, 57)
100

Do you need to regroup to solve: 37 + 5? Yes or No What's the sum?

Yes. 37 + 5 = 42.

100

Kailani walked 13 miles. Leilani Mccomisky walked 15 miles. How many miles did Kailani and Leilani Mccomisky walk altogether?

13 + 15 = 28 miles.

200

Add. 20 + 50 = _____

What is 70. (20 + 50 = 70)

200
Count on to solve: 67 + 20.
What is 87. (Think: 67, 77, 87)
200

Do you need to regroup to solve: 26 + 13? Yes or No What is the sum?

 no. 26 + 13 = 39.

200

If Noah Wilson had 25 cherries and Quirino Agbayani had 14. How many cherries total would be in their pie?

What is 25 + 14 = 39 cherries.

300

Add. 7 tens + 2 tens = _____ tens

What is 9 tens. (7 tens + 2 tens....Think 7 + 2 = 9)

300
Count on to solve 96 + 3.
What is 99. (Think 96, 97, 98, 99)
300

Do you need to regroup to solve 58 + 12? Yes or No What is the sum?

yes. 58 + 12 = 70.

300

Waimanu had 17 Skittles. His mom bought him 26 more to share. How many Skittles does Waimanu have altogether?

What is 17 + 26 = 43 Skittles.

400

Add. 40 + 50 = ______

What is 90. (40 + 50 = 90)

400

Count on to solve: 47 + 30.

What is 77. (Think 47, 57, 67, 77)

400

Do you need to regroup to solve: 87 + 12? Yes or No What is the sum?

no. 87 + 12 = 99.

400

Gabriella has 19 peanuts to feed the mongoose. She also gathered 58 walnuts to feed them. How many nuts does Gbriella D'Angelo have altogether to feed the squirrels?

What is 19 + 58 = 77 nuts.

500

4 tens + 3 tens

7 tens or 70

500

29 + 60

89

500

Do you need to regroup 22+11? What is the sum

No. 33

500

Aukanaii has 35 questions. Auli'i has 29 questions. How many questions do they have?

35+29=64 questions

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