Mix
Find 11-5 by counting on.
5,6,7,8,9,10,11
I counted on 6 more
Tom had 3 balloons and Jose had 5 balloons. How many balloons did they have together?
5+3=8
16-8=
8
Find the two related addition facts.
11-7=4
7+4=11
4+7=11
4+9=
13
Find the two related subtraction facts.
5+6=11
11-5=6
11-6=5
Eliana has 17 flowers. She sells some flowers. Now she has 9 flowers. How many flowers did she sell?
17-9=8
12-2=
10
Find the two related addition facts:
14-6=8
6+8=14
8+6=14
6+8=
14
solve 9+8 by making a ten.
9+8=
9+1+7=
There are 4 children on a rug. More children join them. Now there are 10 children on the rug. How many children joined the first 4 children.
10-4=6
6 children joined the rug.
15-8=
7
Find the two related addition facts.
9-3=6
3+6=9
6+3=9
5+7=
12
Find 15-7 by making a ten.
15-7=
15-5=10
10-2=8
There are 14 dogs at the dog park. There are 6 black dogs. The rest are brown. How many brown dogs are there?
14-6=8
13-7=
6
Find the two related addition facts.
8=12-4
4+8=12
8+4=12
10+9=
19
Find 16-9 by making a ten.
16-9=
16-6=10
10-3=7
Troy has 8 cherry lollipops. Mato has 6 blue lollipops. How many more lollipops does Troy have than Mato?
8-6=2
Troy has 2 more lollipops than Mato.
17-8=
9
Find the 2 related addition facts:
8=17-9
8+9=17
9+8=17
7+8=
15