Times Table Rockstar Challenge

Square Numbers

100

What is 8² ?

64

200

What is 12²?

144

300

What is 15² ?

225

400

What is 20²?

400

500

What is 19² ?

361

Square Roots

100

What is the square root of 81?

9

200

What is the square root of 169?

169

300

What is the square root of 289?

17

400

What is the square root of 324?

18

500

What is the square root of 256?

16

HTU x TU

100

What is 125 x 10?

1250

200

What is 205 x 15?

3075

300

What is 500 x 19?

9500

400

What is 132 x 14?

1848

500

What is 269 x 17?

4573

Decimals

100

What is 89.5 x 10?

895

200

What is 0.5 x 4?

2

300

What is 15.2 x 5?

76

400

What is 36.4 x 8?

291.2

500

What is 45.2 x 9?

406.8

Equations

100

Solve this equation:

(3² x 10) ÷ (1.03 + 2.1 + 1.87) =

18

200

Solve this equation:

(7 x 1.2) x (134.532-129.532) =

42

300

Solve this equation:

(5² - 6) x (3 1/2 + 5 2/4) =

171

400

Solve this equation:

(18 x 2²) + (15.8 x 5) =

151

500

Solve this equation:

(19² x 3) - (9² + (-5+8) ) =

999