Addition
5 + 6 = __
5 + 6 = 11
9 - 2 = __
9 - 2 = 7
11 + 8 = __
11 + 8 = 19
17 - 4 = __
17 - 4 = 13
6 birds are in a tree. 12 birds are on the grass.
How many birds are there in all?
6 + 12 = 18
There are 18 birds in all.
Kelly has 8 cookies. She eats 3 of them. How many cookies does she have left?
8 - 3 = 5
She has 5 cookies left.
Use a number line to solve this equation.
7 + 6 = __
7 + 6 = 13
Use a number line to solve this equation.
17 - 10 = __
17 - 10 = 7
There are 5 children on the rug. 12 more children join them. How many children are on the rug now?
5 + 12 = 17
There are 17 children on the rug now.
There are 16 blocks on the floor. 4 are square blocks. The rest are circles.
How many blocks are circles?
16 - 4 = 12
12 blocks are circles
Use a doubles fact to solve this equation.
3 + 4 = __
We can use the doubles fact 3 + 3 and then add 1 more. 3 + 4 = 7
Use the counting on strategy to solve this equation.
Start at ____.
Count on to ____.
15 - 4 = ____
Start at 15.
Count on to 4.
I jumped 11 times to get to 4.
15 - 4 = 11
John has 15 crayons. Some of them are blue. 7 of them are green.
Make an equation for this problem. Then, make a fact family.
15 - 7 = ___
15 - __ = 7
7 + __ = 15
__ + 7 = 15
John has 15 crayons. Some of them are blue. 7 of them are green. How many crayons are blue?
15 - 7 = 8
There are 8 blue crayons.
John has 3 green crayons and 14 blue crayons. How many more blue crayons are there than green crayons?
14 - 3 = 11
There are 11 more blue crayons.
Use the make a ten strategy to solve this equation.
3 + 13 = __
3 + 7 = 10
10 + 6 = 16
Use the make a ten strategy to solve this equation.
13 - 9 = __
13 - 3 = 10
10 - 6 = 4
John has 8 cookies. Bill has some cookies. John has 4 more cookies than Bill. How many cookies does Bill have?
8 - 4 = 4
Bill has 4 cookies.
Susan has a basket of fruit. Some of them are apples. 6 of them are bananas. There are 11 more apples than bananas. How many apples are there?
6 + 11 = 17
There are 17 apples.
Make a bar model for this problem. Then solve it.
There are 17 dogs in the park. 8 are brown dogs. The rest are black dogs. How many dogs are black?
17 - 8 = 9