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Basic Addition
Count On by 1's or 10's
To regroup or not to regroup
Words, words, everywhere
100
25+71=
What is 96.
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?
What is Yes. 37 + 5 = 42.
100
Jack walked 13 miles. Jill walked 15 miles. How many miles did Jack and Jill walk altogether?
What is 13 + 15 = 28 miles.
200
Add. 28+52
What is 80
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?
What is no. 26 + 13 = 39.
200
If Bill had 25 cherries and Sue had 14. How many cherries total would be in their pie?
What is 25 + 14 = 39 cherries.
300
Add. 73+59
What is 132
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?
What is yes. 58 + 12 = 70.
300
Bo had 17 Skittles. His mom bought him 26 more to share. How many Skittles does Bo have altogether?
What is 17 + 26 = 43 Skittles.
400
Add. 78+99
What is 177
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?
What is no. 87 + 12 = 99.
400
Tom has 19 peanuts to feed the squirrels. He also gathered 58 walnuts to feed them. How many nuts does Tom have altogether to feed the squirrels?
What is 19 + 58 = 77 nuts.
500
Add.  123+159
What is 282
500
Think.  What is 115+50
What is 165.  Count on by tens
500
Do you need to regroup when you add 97+15?
What is yes.  7+5 makes 12, so you need to carry a ten to the tens.
500
Ms. Weidner has 755 stickers.  If she buys 295 more stickers, how many does she have now?
What is 1050.