Keystones #222 · Five questions · Open this day only
Simplify: x5 × x7
Solve: 8x - 6 = 3x + 14
Convert 4km to m
Simplify the ratio 21:6
A fair coin is flipped 52 times. How many heads would you expect?
Keystones #223 · Five questions · Open this day only
Simplify: 84 × 83
Solve: 6x + 5 = x + 30
Convert 13m to cm
Simplify the ratio 30:10
A die is rolled 78 times. How many times would you expect to get a 6?
Keystones #224 · Five questions · Open this day only
Simplify: x8 × x2
Solve: 7x + 4 = x + 52
Convert 4786ml to litres
In a ratio of 5:2, what fraction is the first part?
A die is rolled 84 times. How many times would you expect to get a 6?
Keystones #225 · Five questions · Open this day only
Simplify: 92 × 93
Solve: 6x - 9 = 4x + 11
Convert 8 litres to ml
Simplify the ratio 20:10
A fair coin is flipped 74 times. How many heads would you expect?
Keystones #226 · Five questions · Open this day only
Simplify: 55 × 55
Solve: 8x - 3 = 6x + 11
Convert 43cm to mm
Simplify: 6:10:6
A die is rolled 42 times. How many times would you expect to get a 6?