Winter Revision

BIMDAS

100

Calculate the following:

(2)²+(8)²

68

200

72/(4+5)

8

300

2 x (3-5)²

4

400

(2+5)²-(1+3)²

33

500

(7+3)²/5

20

Factors and Multiples

100

List the factors of 35

1,5,7,35

200

What are the first 6 multiples of 3

3,6,9,12,15,18

300

What is the HCF of 15 and 30

15

400

What is the LCM of 14 and 12

84

500

What is the Product of Primes for 50

2 x 5²

Numbers

100

List the first 5 prime numbers

2,3,5,7,11

200

Round 4.678 to 1 decimal place

4.7

300

I bought 2 apples and 3 oranges. An apple cost 50c and an orange cost 75c. How much did I spend?

€3.25

400

Rearrange these numbers to make an even number :

5 4 8 9

Any number that ends in either 4 or 8

500

A tower is 250m tall. It takes 1 min to climb 2m. How long will it take to climb the tower

125mins 

or 

2 hours and 5mins

Algebra

100

Simplify the following:

3a + 7a

10a

200

Find the value of 3x +4 when x=2

10

300

I am thinking of a number. When I double it and take 3 away the answer is 13. What is the number?

The number is 8

400

Find the perimeter of a square when the side of the square is (a+1)cm. Give your answer in terms of a.

4a+4

500

Find the value of the following: 

7b-2c when b=2 and c=3

8

Fractions

100

Write 0.5 as a fraction

1/2

200

(2/3)+(4/5)

22/15 

or 

1 and 7/15

300

(5/6) x (2/5)

1/3

400

Write down 3 equivalent fractions to 1/2

2/4,3/6,4/8,5/10 etc

500

Write these in order from smallest to biggest: 

3/5,0.2,7/10

0.2,3/5,7/10