Miss Terrell says that 40-10=30. What is an addition sentence you can use to check if the answer is right?
10+30=40
100
I have the number 23. I want to take away 5. Do I need to regroup?
Yes
100
A. Miss Terrell has 26 cookies. She gives 14 away. How many does she have now?
B. If she bakes 15 more, how will she have then?
A. 12 cookies
B. 27 cookies
200
Subtract 74-5
69
200
Subtract 28-7 using a number line.
21
200
Miss Terrell says 78-49=29. What is an addition sentence she can use to see if she's correct?
29+49=78
200
I have 59. I want to take away 3. Do I need to regroup?
No.
200
A. Miss Terrell saw 29 birds in a tree. If 16 fly away, how many will she see then?
B. 13 birds fly back to the tree. How many does she see now?
A. 13 birds
B. 26 birds
300
Subtract 90-55
35
300
Subtract 15-11 using a number line.
4
300
Miss Terrell says that 75-62=13. What is an addition sentence she can use to check?
13+62=75
300
I have the number 74. I want to take away 9. Do I need to regroup?
Yes.
300
A. Miss Terrell bought 16 red tomatoes. She also bought 11 yellow tomatoes. How many does she have in all?
B. Miss Terrell uses 14 of the tomatoes. How many does she have now?
A. 27 tomatoes
B. 13 tomatoes
400
Subtract 35-19
16
400
Subtract 28-5 using a number line.
23
400
Miss Terrell says 80-14=66. What is an addition sentence she can use to check?
14+66=80
400
I have the number 64. I want to take away 4. Do I need to regroup?
No.
400
A. Miss Terrell picks 15 blue flowers and 13 purple flowers. How many does she have in all?
B. Miss Terrell gives away 12 flowers. How many does she have now?
A. 28 flowers
B. 16 flowers
500
Miss Terrell has 85 pencils. She used 76 of them. How many does she have left?
9 pencils
500
Miss Terrell makes 24 Christmas cookies. She gives 11 of them away. How many does she have now? Solve using a number line.
13 cookies
500
Miss Terrell says that 40-12=38. Is she correct? Use an addition sentence to check.
No; 12+38=50 not 40.
500
I have 67. I want to take away 9. Do I need to regroup?
Yes.
500
A.Miss Terrell has 34 pencils. She gives away 17. How many does she have left?
B. If Miss Terrell buys 20 more pencils, how many will she have?