##### Mathematics Paper 1: arithmetic (May 2018) – with hints

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#### Information

# Mathematics

**Paper 1 (May 2018):** arithmetic, with hints

- This test is not timed.
- Hints are available.
- Answers are checked as you go.
- Overall mark is given at the end.

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#### Results

0 of 36 questions answered correctly

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#### Categories

- Calculations 0%
- Fractions, Decimals, Percentages 0%
- Number and place value 0%
- Ratio and Proportion 0%

completed this test on Wednesday, 26-Jun-19 07:02:09 UTC

Class:

School:

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- Answered
- Review

- Question 1 of 36
##### 1. Question

1

- (712)

1 mark(s)CorrectIncorrect##### Hint

Start by adding up the units, 9 + 3. That’s more than 9 so there will be a 10 to carry.

- Question 2 of 36
##### 2. Question

2

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (5/11, 10/22)

1 mark(s)CorrectIncorrect##### Hint

The denominators are the same (both 11) so you can simply subtract the numerators.

Example: 3/7 – 1/7 = 2/7

- Question 3 of 36
##### 3. Question

3

- (90)

1 mark(s)CorrectIncorrect##### Hint

It will end in a zero because 2 x 5 = 10.

- Question 4 of 36
##### 4. Question

4

- (838)

1 mark(s)CorrectIncorrect##### Hint

If you divide something by one, it doesn’t change it.

- Question 5 of 36
##### 5. Question

5

- (9)

1 mark(s)CorrectIncorrect##### Hint

Your 11 times table can help you here.

- Question 6 of 36
##### 6. Question

6

- (200)

1 mark(s)CorrectIncorrect##### Hint

Do this in two stages: 5 x 4 first and then multiply that by 10.

- Question 7 of 36
##### 7. Question

7

- (6562, 6,562)

1 mark(s)CorrectIncorrect##### Hint

If you use column subtraction, be sure to line up the columns correctly so the 4 is above the 2.

- Question 8 of 36
##### 8. Question

8

- (46)

1 mark(s)CorrectIncorrect##### Hint

You’ll need to multiply 6 by itself before you add the 10.

- Question 9 of 36
##### 9. Question

9

- (81.08)

1 mark(s)CorrectIncorrect##### Hint

If you use column addition, be sure to line up the decimal points. It may be helpful to write 24.7 as 24.70.

- Question 10 of 36
##### 10. Question

10

- (308)

1 mark(s)CorrectIncorrect##### Hint

This is an equation, so if you do the same to both sides, it still balances. If you add 10 to both sides, then the 10 on the left ‘disappears’,Â (because 10 – 10 = 0) so you are left with the answer.

- Question 11 of 36
##### 11. Question

11

- (90)

1 mark(s)CorrectIncorrect##### Hint

Can you divide 27 by 3?

- Question 12 of 36
##### 12. Question

12

- (600)

1 mark(s)CorrectIncorrect##### Hint

Can you divide 54 by 9? What would you need to do then, to get the answer?

- Question 13 of 36
##### 13. Question

13

- (4)

1 mark(s)CorrectIncorrect##### Hint

It might help to add up 15 + 15. That gets you halfway to 60.

- Question 14 of 36
##### 14. Question

14

- (4921, 4,921)

1 mark(s)CorrectIncorrect##### Hint

Don’t be confused by the answer box being on the left. You still just have to subtract 855 from 5,776.

- Question 15 of 36
##### 15. Question

15

- (50000, 50,000)

1 mark(s)CorrectIncorrect##### Hint

There are three parts to 3,050,020. Two parts have been shown to you. What is the third part?

- Question 16 of 36
##### 16. Question

16

- (4.6)

1 mark(s)CorrectIncorrect##### Hint

If you use column subtraction then write 10 as 10.0 so you can align the columns. Another way to solve this is to take 6 from 10 and then add back 0.6 (because you were only asked to take 5.4 from 10).

- Question 17 of 36
##### 17. Question

17

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (6/7, 12/14, 18/21)

1 mark(s)CorrectIncorrect##### Hint

The denominators are different so you need to find a common denominator before you can add these fractions.

- Question 18 of 36
##### 18. Question

18

- (0.001, 1/1000)

1 mark(s)CorrectIncorrect##### Hint

When you divide a number by a hundred, all the digits shift two places to the right.

- Question 19 of 36
##### 19. Question

19

- (750)

1 mark(s)CorrectIncorrect##### Hint

You might prefer to divide 1,000 by 4 and then multiply that by 3.

- Question 20 of 36
##### 20. Question

20

Show

your

method- (18,055, 18055)

2 mark(s)CorrectIncorrect##### Hint

Don’t do this in your head, get some paper and write it out.Â Show your working to your teacher who may give you an extra mark for a correct method, even if you get the answer wrong.

- Question 21 of 36
##### 21. Question

21

- (240)

1 mark(s)CorrectIncorrect##### Hint

Perhaps work out 10% of 1,200 first, then double that to get 20%.

- Question 22 of 36
##### 22. Question

22

Show

your

method- (15)

2 mark(s)CorrectIncorrect##### Hint

Don’t do this in your head, get some paper and write it out.Â Show your working to your teacher who may give you an extra mark for a correct method, even if you get the answer wrong.

- Question 23 of 36
##### 23. Question

23

- (14)

1 mark(s)CorrectIncorrect##### Hint

0.5 equals one half. Can you work out half of 28?

- Question 24 of 36
##### 24. Question

24

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (7/10, 0.7, 14/20)

1 mark(s)CorrectIncorrect##### Hint

The denominators are different so you can’t just add the numerators.

One way to find a common denominator is to multiply the two denominators together. Example: 1/3 + 1/4. If you multiply the denominators you get 12. Next you multiply the numerators by the right amounts. One-third equals four-twelfths, and one-quarter equals three-twelfths. Now you can add these numerators, to get 4/12Â +Â 3/12Â =Â 7/12.

- Question 25 of 36
##### 25. Question

25

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (2 1/2, 5/2, 2.5)

1 mark(s)CorrectIncorrect##### Hint

You can total up the quarters quite easily, but to add the 1 as well, you need to convert it into quarters too.

- Question 26 of 36
##### 26. Question

26

- (0.262)

1 mark(s)CorrectIncorrect##### Hint

If you use column subtraction, you’ll need to write 6 as 6.000 so as to line up the columns.

- Question 27 of 36
##### 27. Question

27

- (117)

1 mark(s)CorrectIncorrect##### Hint

3.9 x 30 is the same as 39 x 3 which somehow seems easier.

- Question 28 of 36
##### 28. Question

28

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (2/3, 4/6, 6/9, 10/15)

1 mark(s)CorrectIncorrect##### Hint

Can you convert the two-fifths into fifteenths? That’s a good place to start.

- Question 29 of 36
##### 29. Question

29

Show

your

method- (465,518, 465518)

2 mark(s)CorrectIncorrect##### Hint

Don’t do this in your head, get some paper and write it out. Show your working to your teacher who may give you an extra mark for a correct method, even if you get the answer wrong.

- Question 30 of 36
##### 30. Question

30

- (198)

1 mark(s)CorrectIncorrect##### Hint

This is the same as taking 1% of 200 away from 200. What is 1% of 200?

- Question 31 of 36
##### 31. Question

31

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (1/8, 2/16, 0.125)

1 mark(s)CorrectIncorrect##### Hint

You can divide a fraction by multipying the denominator.

Example: 1/5 divided by 2 equals 1/10

- Question 32 of 36
##### 32. Question

32

- (77)

1 mark(s)CorrectIncorrect##### Hint

You have to work this out in the right order. Division must be carried out before subtraction, when there are no brackets to tell you otherwise.

- Question 33 of 36
##### 33. Question

33

- (60)

1 mark(s)CorrectIncorrect##### Hint

Think of this as 40 plus a half of 40.

- Question 34 of 36
##### 34. Question

34

- (182)

1 mark(s)CorrectIncorrect##### Hint

A percentage is a fraction of 100. Example: 25% as a fraction is 25/100. 25% as a decimal is 0.25. First, write the percentage as a fraction or a decimal, then multiply by the quantity, which is 650 in this case. Do NOT include the % symbol in your answer.

- Question 35 of 36
##### 35. Question

35

You can type your answer as a fraction using the ‘forward slash’ key.

Example: For one quarter, , enter 1/4- (2 17/21, 59/21)

1 mark(s)CorrectIncorrect##### Hint

Thirds and sevenths can’t be added or subtracted as they are so find a common denominator.

- Question 36 of 36
##### 36. Question

36

Show

your

method- (91)

2 mark(s)CorrectIncorrect##### Hint

Don’t do this in your head, get some paper and write it out. Show your working to your teacher who may give you an extra mark for a correct method, even if you get the answer wrong.