How to Add Up to 20

5+9=

• 14

• 4

• 10

• 11

8+8=

• 16

• 0

• 15

• 12

8 + 7 is same as 10 + _____

• 5

• 7

• 8

• 0

10 + 7

• 11

• 107

• 17

• 20

How many total children in the bus?

• 13

• 17

• 12

• 18

The keyword "altogether" tells you to use which operation?

• addition

• subtraction

What operation do these words help you solve?

• addition

• subtraction

If there are 12 bags of Skittles and you buy 9 more, how many bags are there now?

• 21

• 33

• 12

• 11

The keyword "sum" asks you to ______________ in a word problem?

• subtract

• add

• difference