Whole numbers
5 + 5
10
4.8 + 3.4
8.2
numerator
The top number of a fraction
Maddie has 13 LOL dolls. She gets 7 more. How many does she have now?
20
2/4 + 2/4
1
10 + 10
20
2.6 + 4.1
6.7
denominator
The bottom number of a fraction
Ashley has 17 dogs. She sells 6 of them. How many does she have now?
11
3/8 + 3/8
6/8
20 + 20
40
4.4 + 4.4
8.8
subtraction
takin away
Morgan has 20 cats. He sells them for $5.00 each. how much money does he get?
$100
4/10 + 4/10
8/10
40 + 40
80
5.3 + 2.3
7.6
addition
adding more
John has 30 fish. He buys 20 more. How many does he have now?
50
5/10 + 5/10
1
50 + 50
100
7.5 + 2.4
9.9
division
A number going into another
Emma has 3 fish, 4 dogs, and 7 cats. How many pets does she have in total?
14
10/5 + 10/5
4