Unit 3 Review

Part-Part-Total

100

Look at the number model. How would you correctly fill in a part part total diagram?

4+6=10

  10

  4          6

200

Look at the number model. How would you correctly fill in a part part total diagram?

2+4=6

   6

   2     4

300

Look at the number model. How would you correctly fill in a part part total diagram?

12+4=16

   16

  12     4

400

Look at the number model. How would you correctly fill in a part part total diagram?

*HINT: Big number on top

10-7=3

  10

  7     3 

500

Look at the number model. How would you correctly fill in a part part total diagram?

20-10=10

  20

 10     10

Story Problems

100

Leo made 5 snowballs for the snowball fight. Tommy made 8 snowballs.

How many snowballs do they have altogether?

13 Snowballs

200

Roxie had 5 treats on Sunday. She also had 5 treats on Monday. 

How many treats did Roxie eat altogether?

10 treats

300

Sasha made 10 gingerbread cookies and she ate 3 of them. 

How many cookies does she have left?

7 cookies

400

The snowman had 3 buttons, but he lost 1 of them?

How many buttons does he have left?

2 buttons

500

The students solved 3 addition problems and 10 subtraction problems. 

How many problems did they solve altogether?

13 problems

Number Line

100

<--------------------------------------------------->

   1   2   3   4   5   6   7   8   9   10   11   12   13   

Start at 2 and count UP 2. Where do you land?

4

200

<---------------------------------------------------->

   1   2   3   4   5   6   7   8   9   10   11   12   13   

Start at 7 and count UP 5. Where do you land?

12

300

<---------------------------------------------------->

   1   2   3   4   5   6   7   8   9   10   11   12   13   

Start at 5 and count UP 7. Where do you land? 

12

400

<---------------------------------------------------->

   1   2   3   4   5   6   7   8   9   10   11   12   13  

Start at 9 and count BACK 1. Where do you land?

8

500

<---------------------------------------------------->

   1   2   3   4   5   6   7   8   9   10   11   12   13

Start at 11 and count BACK 10. Where do you land?

1

What is the rule?

100

1, 2, 3, 4, 5, 6, 7, 8, 9, 19

+1

200

6, 8, 10, 12, 14, 16, 18, 20

+2

300

70, 60, 50, 40, 30, 20

-10

400

55, 50, 45, 40, 35, 30, 25, 20

-5

500

3, 6, 9, 12, 15

+3

Skip Counting

100

What is the missing number?

___, 10, 15, 20, 25

5

200

What is the missing number?

10, 20, ___, 40, 50

30

300

What are we counting by?

22, 24, 26, 28, 30, 32

Counting by 2s

400

What is the missing number?

100, 90, ___, 70, 60

80

500

Fill in the missing numbers

15, ___, ____, 30, 35, ___

20, 25, 40