Count on Facts

How would you rearrange this to find the missing number?

• 9 - 15 = ?

• ? - 9 = 15

• 15 - 9 = ?

• 9 + 15 = ?

You _________ when you start at the greater addend on a number line and move forward by the other addend.

• missing addend

• doubles

• count back

• count on

Add by counting on. 11+3=

• 14

• 15

• 16

What addition strategy would you use to solve the problem 6 + 2 = ______?

• counting on

• doubles

• doubles + / - 1

• make ten

Count on to add.

Add by counting on. 15+4=

• 18

• 19

• 20

How would you count on to solve 9+3?

• start at 9 then say 10, 11

• start at 3 then say 4, 5, 6

• start at 9 then say 10, 11, 12, 13

• start at 9 then say 10, 11, 12