End of Module 2 pt 1

Mr. Baggy owns a pet store. He counted 10 goldfish in a big tank and 5 goldfish in a small tank. He sold 8 goldfish out of the big tank. How many goldfish did he have left in all?

• Ready! Next question!

• Read it again, please!

First, how many goldfish from the tanks did he have?

• 10 + 5 = 15

• 5 - 8 =2

• 10 - 8= 2

If Mr. Baggy had 15 goldfish, and he sold 8 goldfish, how many goldfish did he have left?

• 15 + 8 = 23

  23 goldfish

• 15 - 8 = 7

  7 goldfish

2a.) Subtract:

12 - 9 = ____

• 3

• 21

• 12

2a.) Subtract:

11 - 8 = ____

• 3

• 12

• 19

2a.) Subtract:

15 - 6 = ____

• 6

• 9

• 21

Find the missing Addend:

9 + ___ = 13

• 10

• 2

• 4

Find the missing Addend:

8 + ___ = 12

• 9

• 4

• 20

Find the missing addend:

12 = ____ + 7

• 5

• 7

• 19

Match the related subtraction for each problem:

9 + 4 = 13

• 13 - 4 = 9

• 13 - 9 = 4

• 9 - 4 = 13