There are 8 balls laying outside. There is an equal amount of purple balls and red balls. how many are there of each?
4 purple balls and 4 red balls
100
6+6
12
100
Which shows a way to use doubles to find the sum of 5 + 6?
a. 4+4+1
b. 5+5+1
c. 6+6+1
d. 7+7+1
b. 5+5+1
100
What doubles fact does this show?
look up at teacher
200
6+7
13
200
There are 10 animals playing in the park. There is an equal amount of dogs and cats. How many dogs and cats are there?
5 cats and 5 dogs
200
What is 7+7
14
200
Which doubles fact helps you solve 5 + 4 = 9?
a.8 + 8
b.7 + 7
c.6 + 6
d. 4 + 4
d. 4 + 4
200
Which shows a way to use doubles to find the sum of 2 + 3?
a. 2 + 2 - 1
b. 3 + 3 - 1
c. 4 + 4 - 1
d. 5 + 5 - 1
b. 3 + 3 - 1
300
5+6
11
300
Jacob had 8 Pokemon cards. Gabriel came and took 4 of his cards away. How many does Jacob have left. What doubles fact helps you solve this problem?
4+4=8
300
What is 8+8
16
300
Which shows a way to use doubles to find the sum of 7+ 8?
a. 7+7+1
b. 9+9+1
c. 4+4+1
a. 7+7+1
300
Julie wants to find the sum. 8 + 7 =
Use doubles-1 to help you solve
___+___+1=
8+8-1=15
400
What is the sum of 6+6
12
400
Ashley needed to catch 12 bubbles. She already popped 6 bubbles. How many more does she need to catch? Which doubles fact can help you to solve?
6+6=12
400
9+9
18
400
What doubles fact helps you to solve 8+9=17
8+8
10+10
4+4
8+8
400
Which shows a way to use doubles to find the sum of 2 + 3
a. 2 + 2 - 1
b. 3 + 3 - 1
c. 4 + 4 - 1
d. 5 + 5 - 1
b. 3 + 3 - 1
500
6+8
14
500
There are 18 students in ms. Dennisons class. There is an equal amount of boys and girls. How many boys and girls are in Ms. Dennison's class? Write an equation to show!
9+9=18
500
What is 10+10
20
500
Cate wants to find this sum:
7+6
How can she use doubles +1 to help her solve the problem?
___+___+1=
6+6+1=13
500
Which shows a way to use doubles to find the sum of 4+3
a. 2 + 2 - 1
b. 3 + 3 - 1
c. 4 + 4 - 1
d. 7 + 7 - 1