Enter Title

Inverse 1

10

x+5=27

22

20

x+65=123

58

30

x+95=326

231

40

x+46=523

477

50

x+66=862

796

Inverse 2

10

x-7=12

19

20

x-25=64

89

30

x-79=143

222

40

x-154=407

561

50

x-400=568

968

+ and -

10

x+8=15

7

20

x-8=27

35

30

x+59=79

20

40

x-77=100

177

50

x+524=978

454

Review!

10

Is 18 closer to 10 or 20?

20

20

What is the name of the shape that has 3 sides?

Triangle

30

If I have 5 apples and give 2 away, how many are left?1. Is this an addition or subtraction problem?

2. What is my answer?

1. subtraction

2. 3 apples

40

What is 3/5 + 1/5?

4/5

50

What is 4/15 + 3/15?

7/15