Regrouping
17+8=?
25
15+10=?
25
Jade has 6 green apples and 5 red apples, how many apples does she have in all?
11
25+48=?
73
63+25=?
88
What is the value of the number 3 in the number 43
3 ones
When do you need to regroup?
When you add the ones and the sum is greater than 9.
Do you need to regroup when adding 66+19=?
Yes
Maria baked 36 cookies, Chris baked 17 more than her. How many cookies did Chris bake.
53
47+48=?
95
37+42=?
79
Kelly has 27 trading cards, Ted has 34 more trading cards than Kelly. How many trading cards does Ted have?
61
Joe plays basketball for 18 minutes. John plays basketball for 16 more minutes than Joe. How many minutes do Joe and John play in all.
52