9 - 6 =
3
12 + 5 =
17
Mark had 5 white socks, and he also had some blue socks. He had 14 socks altogether. How many blue socks does he have?
9
What does the sum mean in math?
Answer to an addition problem.
How many toys are there in total if you have 4 cars and 6 dolls?
10
15 - 8 =
7
22 + 9
31
George has 5 pieces of candy in his lunch. Fred has 2 fewer candies than George. How many candies does Fred have?
3
What does the word difference mean in math?
What is Ms. Yeagers favorite color?
Pink
26 - 10 =
16
25 + 9 =
34
Three friends get together to play video games. If Victor brings 5 games, Tyler brings 4 games, and Sam has 6 games, how many games do the friends have to play?
15
What is an addend?
A number that is added to another number in a math problem.
Subtract: 18-8-8=
2
38 - 13 =
25
33 + 16 =
49
Last week, Lucas had 55 marbles. He lost some marbles when he dropped his marble bag outside. Now Lucas has 32 marbles. How many marbles did he lose?
23
What is a fact family?
Addition and subtraction problems that use the same numbers.
28 + 28 =
56
65 - 22 =
43
55+ 25 =
80
There were 23 girls and 18 boys on the bus. Together with the 2 teachers and the bus driver, how many people were on the bus?
44
What does inverse operation mean?
When one operation undoes another operation.
What is the inverse operation of 10 + 8 = 18
18 - 8 + 10