Addition
2 + 3
5
5 - 1 =
4
8 9
What is the answer called in an addition problem?
sum
How many days in a week?
6 + 8
14
10 - 2 =
8
<
What is an answer called in a subtraction problem?
difference
How many months in the year?
12
12 + 5 =
17
15 - 3 =
12
67 33
>
What does altogether mean to do?
add
How many dogs does Mrs. Piccott have?
2
12 + 12 =
24
26 - 4 =
22
124 124
=
What does take away mean to do?
Subtract
How old do you think Mrs. Piccott is?
44
39
45 - 10 =
35
275 136
>
What does how many more mean to do?
subtract
How many days are in 2 weeks?
14