19 = 10 + 3 + ____
19 = 10 + 3 + 6
7 is __ less than 12
5
7 = 12 - 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?
11 + 4 = 15
He has 15 rocks now.
A crayon box holds 16 crayons. Matt counted 14 crayons in the box. How many crayons are missing?
2 crayons
4 doubled is
4 doubled is 8
15 = 20 - __
15 = 20 - 5
What are 2 addition sentences we could make?
4+5=9
5+4=9
Paige and Payton went to the store and bought 7 boxes of cookies each. How many boxes of cookies did they buy in all?
7 + 7 = 14
They bought 14 boxes of cookies in all.
Christian bought 18 cookies at the grocery store. His brother Steven ate 6 cookies. How many cookies does Christian have now?
12 cookies
15 + 2 + ___ = 20
15 + 2 + 3 = 20
10 less than 30 is
20
30 - 10 = 20
Whole:16
Part: 2
Part: ____
14
Sean saved $5. He got $5 for his birthday. Sean earned $3 for chores. How much money did Sean have then?
$5 +$5 + $3 = $13
Sean had $13 total.
Nina had 20 stuffed animals. She lost 5 stuffed animals. She donated 10. How many stuffed animals does she have now?
5 stuffed animals
2 more than 10 is
12
25 - ___ = 15
25 - 10 = 15
10 = 8 + 2
What are the two subtraction sentences in this number family?
8 = 10 - 2 (same as 10 - 2 = 8)
2 = 10 - 8 (same as 10 - 8 = 2)
Anne has 6 cupcakes. Sean gives her some more. Now she has 13 altogether. How many did Sean give her?
6 + ____ = 13
6 + 7 = 13
Sean gave her 7 cupcakes.
Jeff had 19 balloons. 6 balloons popped. How many are left?
13 balloons
5 + 3 + 10 = 2 + 8 + ___
5 + 3 + 10 = 2 + 8 + 8
7 = 11 - 2 - ___
7 = 11 - 2 - 2
Whole: 19 Part: 12 Part: 7
Find all number sentences starting with total or difference
___ = ___ + ___ OR ___ = ___ - ___
19 = 12 + 7
19 = 7 + 12
12 = 19 - 7
7 = 19 - 12
I have $5. My mom has $10. My friend has $3. How much money do we have in all?
$5 + $10 + $3 = $18
We have $18 in all.
The movie theater has 20 boxes of popcorn for sale. 6 boxes are sold. How many are left?
14 boxes