Speedrun math

1x1x2x3

• 7

• 6

• 9

• 8

 $\pi$  = ?

•  $\infty$  

• 77.77

• 3.14

•  $\frac{22}{7}$  

10 x (?) = 20 (Write number)

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How to find a area of a circle? (R=Radius)(D=Diameter)

• R x R x $\pi$

• D x D x $\pi$

• R x $\pi$

• D x $\pi$

Simplify  $\frac{7}{10}$  into percentage

• 71%

• 74%

• 75%

• 70%

If Jack has 4 friends and 20 candies, how many candies will each friend get?

• 20

• 4

• 5

• 21

Solve: $\frac{\left(1+1+1+2\right)\times3\times4}{2}$  

• 90

• 30

• 15

• 120

 $3+2\times5\div2+\left(1+2\right)\div3$  

• 1

• 5

• 9

• 7

Find the area of a circle if the radius is 7 ( $\pi$  = $\frac{22}{7}$ ) 

• 122 cm2

• 154 cm2

• 133 cm2

• 333 cm2