1
Which is a doubles fact?
A. 6+5=11
B. 7+9=16
C. 9+9=18
D. 10+7=17
C. 9+9=18
George has 3 crayons. He gets 7 more crayons. How many crayons does George have now? Write an equation to show how many he has now.
3+7=10 or 7+3=10
Draw a number line to show how to solve 5+9=
Check boards
There are 5 dogs at the park. 3 more dogs come to the park. Write an equation that shows how many dogs in all.
5+3=8 or 3+5=8
There are 16 bees in a tree. 9 bees fly away. How many bees are still in the tree. Draw a tens frame and make a 10 to solve. Write the equations.
16-6=10
10-3=7
16-9=7
What is the sum of 7+7=?
14
Look at slide 1 Find the missing part. 15-9=
Which addition equation will help you solve?
A. 9+6=15
B. 9-6=15
C. 15-9=6
D. 12+4=16
A. 9+6=15
What is the sum of 5+9=
14
What doubles fact will help you to solve 5+6=
5+5=10 so 5+6=11
6 rabbits are in a yard. 7 more rabbits join them. How many rabbits are in the yard now? Which equation matches the problem?
A. 6+1=7
B. 6+7=13
C. 7-1=6
D. 7-6=1
B. 6+7=13
Write two addition equations that will help you to solve 7-3
4+3=7 and 3+4=7
Alicia has 12 hair bows. She gives 5 to her sister. Write an expression that shows how many hair bows Alicia has left?
12-5=7
Which tells a story for 14-8?
A. Katie has 22 strawberries. She gives 8 to Sam.
B. Katie has 22 strawberries. She gives 14 to Sam.
C. Katie has 14 strawberries. She gives 8 to Sam.
D. Katie has 14 strawberries. Then she gets 8 more.
C.
What is 7+8=
15
Draw a number line to show how to solve 16-8=
Check boards 16-8=8
What is 7-3=
4
There are 8 ducks in the pond. 4 ducks have green feathers. Which two equations show the story?
A. 8-2=6
B. 5+3=8
C. 8-4=4
D. 4-4=0
E. 4+4=8
C and E
What is the difference of 14 and 8?
6
Write two related addition facts that can help you solve 14-8=
8+6=14 or 6+8=14
There are 12 birds on a bird feeder. 7 birds fly away. How many birds are left on the bird feeder? Write an equation to match the problem.
12-7=5
Dominic has 6 star stickers. Suni has 3 star stickers. Write an equation to show how many they have in all.
6+3=9 or 3+6=9
Find the missing part.
8-3=
Write an addition fact that can help subtract 3 from 8?
5+3=8 or 3+5=8
Greg has 7 red marbles. He has 8 blue marbles. Write an expression that shows how many marbles Greg has in all.
7+8=15 or 8+7=15
There are 8 frogs. Some are in the water. Some are on the bank. If 3 frogs are in the water, how many frogs are on the bank?
8-3=5 frogs
Write a number story problem for 12-5.
Check boards for 12-5