Keystones Bedrock — Jan 1 - 7 | Maths Vault

Change pack

Bedrock Jan 1 - 7 25 questions

Monday 2 September 2024

Keystones #1 · Five questions · Open this day only

1. Number

Simplify: 5⁴ × 5³

Answer: 5⁷
2. Algebra

Simplify: 7x + 6x

Answer: 13x
3. Geometry

Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Calculate 10% of 141

Answer: 14.1
5. Statistics

Find the mean of: 12, 4, 11, 15

Answer: 10.5

Tuesday 3 September 2024

Keystones #1 · Five questions · Open this day only

1. Number

Calculate: 78 + 22

Answer: 78 + 22 = 100
2. Algebra

Simplify: 8x + 9x

Answer: 17x
3. Geometry

Opposite = 7cm, hypotenuse = 8.cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Calculate 10% of 93

Answer: 9.3
5. Statistics

Find the range of: 23, 14, 27, 33, 17

Answer: 19

Wednesday 4 September 2024

Keystones #1 · Five questions · Open this day only

1. Number

Calculate: 80 + 59

Answer: 80 + 59 = 139
2. Algebra

Expand: 7(x + 4)

Answer: 7x + 28
3. Geometry

Opposite = 9cm, hypotenuse = 18cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 28:8

Answer: 7:2
5. Statistics

Find the mean of: 18, 15, 16, 3, 8

Answer: 12

Thursday 5 September 2024

Keystones #1 · Five questions · Open this day only

1. Number

Calculate: 9 + 7

Answer: 16
2. Algebra

Simplify: 3x + 5x

Answer: 8x
3. Geometry

Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Simplify the ratio 40:25

Answer: 8:5
5. Statistics

Find the mean of: 9, 12, 12, 4

Answer: 9.25

Friday 6 September 2024

Keystones #1 · Five questions · Open this day only

1. Number

Calculate: ⁵⁄₁₂ + ³⁄₁₂

Answer: ²⁄₃
2. Algebra

Find the next term: 18, 23, 28, 33, ...

Answer: 38
3. Geometry

Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

Answer: 45° (approximately)
4. Ratio

Calculate 10% of 119

Answer: 11.9
5. Statistics

What is the probability of getting heads when flipping a fair coin?

Answer: ¹⁄₂