Addition Principal

In 7 + 6 =13, what are the addends?

• ham and cheese

• 13 and 7

• 6 and 13

• 7 and 6

When we add, we...

• party

• laugh

• join

• smell bad

Are these number sentences related?

14 - 2 = 12 and 2 + 12 = 14

• No

• Yes

• Maybe

What is the operation and why?

3 cats sit on a fence. 9 more cats join them. How many cats are there altogether?

• Subtraction because I need to compare

• Addition because I need to join

• Subtraction because I need to separate

• Bingo!

What number sentence does not go with the model?

• 4 + 5 = 9

• 9 - 4 = 5

• 5 + 4 = 9

• 9 + 5 = 14

How many cherries are there in all ?

• 4

• 5

• 10

• 7

The 2 numbers you add together in an addition sentence are called what?

• subtract
• add
• addend
• count on

What is the missing addend?
3 + ____ = 11

• 7
• 8
• 9
• 3

What doubles fact can help you find 7+8?

• 5+5=10
• 6+6=12
• 7+7=14

What is another way to write 7+3=10?

• 3+7=10
• 3+3=6
• 7+7=14