Addition and Subtraction for Year 6 Maths: Learn and Practice Online

Question 1

A school has 1,234 children in total. There are 657 girls in the school. How many boys are there?

Accepted Answer

577

Answer

1,891

Answer

657

Question 2

When adding whole numbers, what does 'carrying' mean?

Accepted Answer

Adding the extra tens to the next column.

Answer

Adding the tens digit of the sum to the ones digit of the next number.

Answer

Subtracting the extra tens from the next column.

Answer

Carrying is not used in addition of whole numbers.

Question 3

A rectangular garden measures 15 meters in length and 12 meters in width. How many meters of fencing are needed to enclose the entire garden?

Accepted Answer

44 meters

Answer

27 meters

Answer

30 meters

Answer

52 meters

Question 4

In which situation is using a calculator for simple addition and subtraction less beneficial?

Accepted Answer

When you want to improve your mental math skills.

Answer

When the calculations are very difficult.

Answer

When the answer must be extremely precise.

Question 5

Which of the following is the correct method for adding decimals?

Accepted Answer

Line up the decimal points and add the numbers

Answer

Line up the decimal points and subtract the numbers

Answer

Line up the numbers and add the decimal points

Answer

Line up the numbers and subtract the decimal points

Question 6

Which of these decimal numbers is equivalent to 5/10?

Accepted Answer

0.5

Answer

0.05

Answer

5.0

Answer

50.0

Question 7

Calculate: 2.45 + 0.78.

Accepted Answer

3.23

Answer

2.33

Answer

2.23

Answer

3.13

Question 8

A farmer has 126 sheep and 89 cows. He sells 37 sheep. How many animals does the farmer have left?

Accepted Answer

188

Answer

178

Answer

198

Answer

208

Question 9

Work out the total: 456 plus 234

Accepted Answer

690

Answer

700

Answer

680

Answer

670

Question 10

Calculate: 123.45 plus 678.90

Accepted Answer

820.35

Answer

802.35

Answer

792.35

Answer

782.35

Question 11

Which of these is NOT a way to add two-digit numbers in your head?

Accepted Answer

Using a calculator

Answer

Compensation

Answer

Number bonds

Answer

Expanded form

Question 12

Which equation shows how to subtract 0.75 from 1.25?

Accepted Answer

1.25 - 0.75

Answer

0.75 - 1.25

Answer

1.25 + 0.75

Answer

0.75 + 1.25

Question 13

Which of these is an example of a two-step addition problem?

Accepted Answer

45 + 27 + 18

Answer

25 + 35

Answer

56 - 23

Answer

100 - 54 - 12

Question 14

A train travels 325 miles on Monday and 278 miles on Tuesday. How many miles does it travel in total?

Accepted Answer

603

Answer

503

Answer

703

Answer

803

Question 15

A rectangular garden has a length of 5 metres and a width of 3 metres. What is the perimeter of the garden?

Accepted Answer

24 metres

Answer

8 metres

Answer

16 metres

Answer

32 metres

Question 16

What is the difference between 987 and 456?

Accepted Answer

531

Answer

431

Answer

631

Answer

731

Question 17

A library has 175 books on the shelves. The library removes 56 books for cleaning. How many books are left on the shelves?

Accepted Answer

129

Answer

119

Answer

139

Answer

149

Question 18

A shop sells 145 apples on Monday and 187 apples on Tuesday. How many apples did they sell in total over the two days?

Accepted Answer

332

Answer

322

Answer

342

Answer

352

Question 19

Subtract 7.8 from 12.5.

Accepted Answer

4.2

Answer

3.2

Answer

4.7

Answer

5.8

Question 20

A farmer has 456 sheep. He sells 234 of them. How many sheep does he have remaining?

Accepted Answer

417

Answer

222

Answer

266

Answer

322

Question 21

Which equation matches the subtraction problem 54 - 27?

Accepted Answer

54 - 27 = ?

Answer

27 + 54 = ?

Answer

27 - 54 = ?

Answer

54 + 27 = ?

Question 22

Which method is NOT used to check the answer to a subtraction problem?

Accepted Answer

Multiplying the numbers together

Answer

Subtracting the answer from the larger number

Answer

Adding the difference to the smaller number

Answer

Estimating the answer

Question 23

Calculate the sum of 0.6 and 0.4.

Accepted Answer

1.0

Answer

0.1

Answer

0.2

Answer

2.0

Question 24

Calculate the result of 45 plus 23 minus 14.

Accepted Answer

54

Answer

48

Answer

60

Answer

66

Question 25

Find the difference between 1.25 and 0.73.

Accepted Answer

0.42

Answer

0.52

Answer

0.62

Answer

0.72

Question 26

Which equation represents the difference between 245 and 136?

Accepted Answer

245 + (-136)

Answer

109

Answer

136 - 245

Answer

(-245) - 136

Question 27

Estimate the sum of 345 and 278 to the nearest hundred.

Accepted Answer

600

Answer

500

Answer

700

Answer

800

Question 28

Subtract 345 from 678.

Accepted Answer

333

Answer

323

Answer

343

Answer

353

Question 29

A farmer has 125 sheep in one field and 147 sheep in another. How many sheep does he have in total?

Accepted Answer

272

Answer

262

Answer

282

Answer

292

Question 30

Which subtraction problem represents the situation where 345 is taken away from 789?

Accepted Answer

789 - 345

Answer

345 - 789

Answer

789 + 345

Answer

345 + 789

Question 31

A train travels 120 miles in 2 hours. What is the average speed of the train?

Accepted Answer

60 miles per hour

Answer

50 miles per hour

Answer

70 miles per hour

Answer

80 miles per hour

Question 32

Which of these expressions means 'the sum of 3.4 and 5.2'?

Accepted Answer

3.4 + 5.2

Answer

5.2 - 3.4

Answer

3.4 x 5.2

Answer

5.2 ÷ 3.4

Question 33

A rectangular garden is 5 meters long and 3 meters wide. What is the perimeter of the garden?

Accepted Answer

24 meters

Answer

8 meters

Answer

16 meters

Answer

32 meters

Question 34

John had 125 apples. He gave 76 apples to his friend. How many apples does John have left?

Accepted Answer

49

Answer

201

Answer

64

Answer

51

Question 35

Which operation is the opposite of subtraction?

Accepted Answer

Addition

Answer

Division

Answer

Multiplication

Answer

Subtraction

Question 36

Which of these numbers is the smallest?

Accepted Answer

-3

Answer

0

Answer

-2

Answer

1

Question 37

Find the difference between 10.5 and 4.7.

Accepted Answer

5.8

Answer

6.8

Answer

4.8

Answer

7.8

Question 38

A farmer initially has 125 sheep. He then buys 34 more. How many sheep does the farmer have now?

Accepted Answer

159

Answer

103

Answer

123

Answer

91

Question 39

Which of the following is NOT a strategy for adding large numbers?

Accepted Answer

Subtraction

Answer

Rounding

Answer

Estimation

Answer

Partial Sums

Question 40

Evaluate the expression: (-5) + (-3)

Accepted Answer

-8

Answer

2

Answer

-2

Answer

8

Question 41

Which of the following demonstrates the associative property of addition?

Accepted Answer

(3 + 4) + 5 = 3 + (4 + 5)

Answer

3 x 4 = 4 x 3

Answer

3 - 4 = 4 - 3

Answer

3 + 4 = 5 + 3

Question 42

What is the operation that undoes addition?

Accepted Answer

Subtraction

Answer

Exponentiation

Answer

Division

Answer

Multiplication

Question 43

Which of the following is the smallest number: 0.48, 0.42, 0.54, or 0.52?

Accepted Answer

0.42

Answer

0.48

Answer

0.52

Answer

0.54

Question 44

Order these numbers from smallest to largest: 0.32, 0.25, 0.39

Accepted Answer

0.25, 0.32, 0.39

Answer

0.25, 0.39, 0.32

Answer

0.39, 0.32, 0.25

Answer

0.32, 0.25, 0.39

Question 45

What is the difference between 7.35 and 4.8?

Accepted Answer

2.55

Answer

12.15

Answer

2.45

Answer

3.55

Question 46

Calculate: 345 + 278 + 156

Accepted Answer

779

Answer

879

Answer

679

Answer

579

Question 47

What number should be added to 456 to get 789?

Accepted Answer

333

Answer

1333

Answer

433

Answer

233

Question 48

A baker has 3.75 kg of flour. He uses 1.25 kg for a cake and 0.5 kg for cookies. How much flour does he have left?

Accepted Answer

2 kg

Answer

1.5 kg

Answer

2.5 kg

Answer

3 kg

Question 49

What is the missing number in the equation: 456 + ___ = 789?

Accepted Answer

333

Answer

323

Answer

233

Answer

433

Question 50

A train leaves London at 10:45 am and arrives in Manchester at 1:15 pm. How long did the journey take?

Accepted Answer

2 hours 30 minutes

Answer

3 hours 30 minutes

Answer

3 hours

Answer

2 hours 15 minutes

Question 51

Which of the following numbers is the largest? 1234 + 567, 987 - 456, 1000 - 123

Accepted Answer

1234 + 567

Answer

All are equal

Answer

987 - 456

Answer

1000 - 123

Question 52

A shop sells apples for £1.20 each and pears for £0.80 each. If I buy 3 apples and 2 pears, how much will I pay in total?

Accepted Answer

£5.20

Answer

£4.40

Answer

£6.00

Answer

£3.60

Question 53

What is the sum of 246, 378, and 159?

Accepted Answer

783

Answer

793

Answer

683

Answer

883

Question 54

A farmer has 120 sheep. He sells 35 sheep. How many sheep does he have left?

Accepted Answer

85

Answer

95

Answer

75

Answer

155

Question 55

If you add 2.5 to 3.75, what is the result?

Accepted Answer

6.25

Answer

6.75

Answer

5.75

Answer

5.25

Question 56

What is the difference between 987 and 654?

Accepted Answer

333

Answer

323

Answer

233

Answer

433

Question 57

A school has 500 students. If 275 students are girls, how many are boys?

Accepted Answer

225

Answer

275

Answer

325

Answer

175