addition
8 + 7
15
10 -5 =
5
name a digit
any number 0-100
3 rows of 2 or 2 + 2 + 2 =
6
Amari has 10 dogs. He gives away 5 how many are left? add or subtract?
subtract 5
10 + 10 =
20
20 -10 =
10
which number is the sum in this problem: 8 +5 = 13
13
8
Carlos has 10 red crayons and 5 blue crayons. How many crayons does Carlos have? add or subtract?
15 add
4 + 1 + 6 =
11
13 - 7 =
6
which number is the difference in this problem:
10 - 9 = 1
1
3 rows of 5 or 5 + 5 + 5 =
15
There are 18 boys at the soccer field. 9 are playing soccer. How many are not playing soccer? add or subtract?
subtract 9
what is the related addition fact for 18 - 8 = 10
8 + 10 = 18
12 - 3 = 9
name the number that is an addend in this problem:
6 + 4 = 10
6 or 4
4 rows of 4 or 4 + 4 + 4 + 4 =
16
Sebastien found 9 acorns. Delilah found 6 acorns. How many acorns did they find altogether? add or subtract?
add/ 15
20 + 25
45
100 - 50 =
50
what is an equation. write or say one.
a math sentence with an equal sign 1 + 1 = 2
5 rows of 4 or 4 + 4 + 4 + 4 + 4 =
20
Liam read 16 pages on Monday and 9 pages on Tuesday. How many more pages did he read on Monday than on Tuesday? add or subtract?
subtract 7