10+2=
12
10-5
5
What are 2 subtraction sentences we could make?
9-4=5
9-5=4
Joey had 11 rocks. He found 4 more rocks. How many rocks does Joey have now?
15 rocks
10+7=
17
15-6=
9
What are 2 addition sentences we could make?
4+5=9
5+4=9
Jeff had 19 balloons. 6 balloons popped. How many are left?
15+4=
19
15-10=
5
Whole:10
Part: 2
Part: ____
8
Sean saved $5. He got $5 for his birthday. Sean earned $3 for chores. How much money did Sean have then?
$13
8+7=
15
20-6=
14
8+ 2=10
What is a subtraction sentence in this number family?
10-2=8 or 10-8=2
Anne has 6 cupcakes. Sean gives her some more. Now she has 13 altogether. How many did Sean give her?
7 cupcakes
5+4 = 8 + ___
1
20-19=
Whole: 15
Part: 11
Part: 4
Find all number sentences.
11+4=15
4+11=15
15-4=11
15-11=4
I have $5. My mom has $10. My friend has $3. How much money do we have in all?
$18