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A__________is a group of 3 numbers that work together
fact family
You can___________a ten into ten ones.
regroup
When you________,you take something away from another number.
subtract
The answer you get from subtracting is called the____________.
difference
27-18=
9
80-26=
54
53-37=
16
71-19=
52
48-35=
13
Jess had 34 marbles. She gives 19 marbles away. How many marbles does Jess have left?
15 marbles
60-42=
18
76-37=
39
93-38=
55
91-58=
33
Corey sees 33 boats at the show. 6 of them are red. 8 are white. The rest are blue. How many are blue?
19
74-17=
57
