Addition
Subtraction
Multiplication
Decimals
Pi Day
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100

9x = 27

What is 3

100

m + 1.7 = 2.4

What is 0.7

100

What are the first 3 digits of pie? 

3.141

200

a + 8 = 10

What is 2

200

d - 7 = 9

What is 16

200

7x = 63

What is 9

200

x - 66.2 = 102.8

What is 169

200

How many digits of pi can you remember (without looking!) 

3.14159265359....

300

n + 8 = 14

What is 6

300

k - 83 =121

What is 204

300

5e = 400

What is 80

300

5.5 = 0.5x

What is 11

300

When is Pi day? 

Monday March 14, 2022 

400

x + 36 = 100

What is 64

400

x - 327 = 665

What is 992

400

11x = 220

What is 20

400

c+0.29 = 5.5

What is 5.21

400

What is Pi? 

1. An irrational number 

2. Circumference divided by diameter of a circle  

3. A fancy number that describes part of a circle 

500

27 = c + 27

What is 0

500

a - 163 = 481

What is 644

500

21y = 756

What is 36

500

0.12 = y+0.12

What is 0 

500

What is Ms. Anna's favorite kind of pie? 

1. Chocolate pie 

2. Coconut pie 

3. Key-Lime pie 

4. Apple pie 

5. Pumpkin pie