Keystones #103 · Five questions · Open this day only
Calculate: 998 + 543
Solve: 2x = 30
Opposite = 11cm, adjacent = 8cm. Calculate the angle
Simplify: 9:9:12
Calculate the mean of: 20, 26, 12, 9, 7, 5
Keystones #104 · Five questions · Open this day only
Calculate: 999 + 778
Factorise: 8x² + 2x
Opposite = 11cm, adjacent = 17cm. Calculate the angle
Calculate 44.3% of 465
A spinner has 5 red, 5 blue and 3 green sections. Probability of landing on red?
Keystones #105 · Five questions · Open this day only
Calculate: 243 + 933
Find the next term: 1, 4, 10, 19, ...
Adjacent = 25cm, hypotenuse = 45cm. Find the angle
Simplify the ratio 8m:800cm
Calculate the mean of: 38, 13, 10, 33, 12, 49
Keystones #106 · Five questions · Open this day only
Calculate: 1⁄5 + 3⁄4 + 3⁄4
Solve: x⁄5 = 4
Opposite = 9cm, adjacent = 10cm. Calculate the angle
Simplify the ratio 8m:800cm
Calculate the mean of: 28, 35, 32, 15, 49, 34, 9, 40
Keystones #107 · Five questions · Open this day only
Calculate: 385 + 348
Solve: 8x = 64
Adjacent = 12cm, hypotenuse = 29cm. Find the angle
Calculate 37.8% of 912
A spinner has 3 red, 4 blue and 5 green sections. Probability of landing on red?