Year 7 EoY Competition

Factors

100

List the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

200

List the factors of 40

1, 2, 4, 5, 8, 10, 20, 40

300

List the common factors of 12 and 20

1, 2, 4

400

Find the highest common factor of 21 and 35

7

500

Find the highest common factor of 18 and 27

9

Multiples, primes, squares

100

List the first 5 multiples of 3

3, 6, 9, 12, 15

200

List the prime numbers between 20 and 30

23, 29

300

What are the first 4 square numbers?

1, 4, 9, 16

400

8²=?

64

500

4² + 7²=?

65

Fractions, Decimals, Percentages

100

Convert 1/2 into a percentage

50%

200

Convert 0.75 into a fully simplified fraction

3/4

300

If the chance of something happening is certain, how do we show this as a percentage?

100%

400

Find 1/3 of 90

30

500

Convert 20% into a decimal and convert it into a simplified fraction.

0.2 and 1/5

Angles

100

What do the angles in a quadrilateral sum up to?

360^o

200

What do the angles in a triangle sum up to?

180^o

300

A right angle is an angle of how many degrees?

90^o

400

If a triangle has an angle of 50^o and another of 70^o, how big is the remaining angle?

60^o

500

What size is each angle in an equilateral triangle?

60^o

Sequences

100

Continue the sequence for a further 3 terms.

5, 11, 17, 23, ..., ..., ....

29, 35, 41

200

Work out the rule to help you find the missing term

2, ?, 50, 250, 1250

10

300

What kind of sequence has a "constant difference"?

Linear sequence

400

In what kind of sequence are all terms multiplied by a constant number to find the next term?

Geometric Sequence

500

What kind of sequence adds the two previous terms to find the next term?

Fibonacci sequence