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random from unit 1-3

100

12 + −19

- 7

200

____ × 4 = – 36

- 9

300

 Round each of these numbers to the given degree of accuracy.   81.02981 (2 decimal places)

81.03

400

 Find the LCM of 9 and 15.

45

500

A whole number is greater than 45 672. The number is also divisible by 9. 

Find the smallest whole number with this property. 

45,675

random from unit 1-3

100

a + 5 when a = 3

8

200

_____ ÷ – 8 = 7

- 56

300

54, 000 ÷ 10⁴

5.4

400

Maliha thinks of a number, y. Write an expression for the number Maliha gets when she:

 divides the number by 2

y/2

500

The number 75, 21* is divisible by 6. Find the possible values of the digit *.

6

random from unit 1-3

100

Write 10⁸ in numbers

100 000 000

200

6(5d – 1)

30d – 6

300

7(6c – 7h)

42c – 49h

400

Round each of these numbers to the given degree of accuracy. 89.99999 (4 decimal places)

90.0000

500

Simplify this expression. Write your answer in its simplest form. 

7a/10 + 2a+15

5a/6

random from unit 1-3

100

−8 + 15

7

200

8.375 x 10²

837.5

300

9b² – 5b²

4b²

400

 Work out the value of each expression. m — n when m = 10 and n = 25  

– 15

500

Write down the smallest integer that y could be. 

y > 2.5

3

random from unit 1-3

100

Simplify each of these expressions.  7w – 4w 

3W

200

Find the HCF of 24 and 36.

12

300

Is 4,536 divisible by 3?

yes

400

The product of two integers is -20. The sum of the two integers is 8. Work out the two integers.

–2 & 10  

500

The cube root of a number is 9. . Work out the square root of the number. 

 27