Number Operations Practice Questions

Write $384\,400$ in words.

Write down the value of the digit $8$ in $384\,400$

Write the number two million, forty thousand and six in figures.

Write these numbers in order of size.
Start with the smallest number.

Write $=$, $<$ or $>$ in each box.

(i) $0.45 \;\square\; 0.5$

(ii) $6.4 \;\square\; 6.35$

(iii) $0.70 \;\square\; 0.7$

Here are three statements.

$$\text{A: } 4.5 \geq 4.5 \qquad \text{B: } 0.8 \neq 0.80 \qquad \text{C: } 2.1 \leq 2.01$$

Write down the letter of the statement that is true.

Write down the temperatures in order of size.
Start with the lowest temperature.

Work out the difference between the temperature in Rome and the temperature in Moscow.

By 6 am, the temperature in Berlin has fallen by $6\,°\text{C}$.
Work out the temperature in Berlin at 6 am.

Work out $5 + 4 \times 3$

Work out $(9 - 5) \times 6$

Work out $30 \div (2 + 3)$

Work out the missing number.

$$7 \times \square - 5 = 30$$

A cinema charges £7.25 for an adult ticket and £4.50 for a child ticket.

Mr Okafor buys 2 adult tickets and 3 child tickets.
He pays with a £30 note.

Work out how much change Mr Okafor should get.

Write down all the two-digit numbers Ben can make.

Write down the number Ben can make that is closest to 50

Work out the total weight of Sam's suitcase and her hand luggage.
You must show your working.

The airline allows Sam a total weight of $30$ kg.

Work out how much more weight Sam could add.
You must show your working.

Work out $4.62 \times 35$
You must show all your working.

The decorator buys 35 tins of paint.
He pays with £200

Work out how much change he should get.

Work out $952 \div 7$
You must show your working.

A piece of rope is $7.2$ m long.
It is cut into pieces, each of length $0.45$ m.

Work out how many pieces of rope there are.

Write down the value of $4.7 \times 2.6$

Write down the value of $1222 \div 2.6$

Work out the value of $47 \times 27$

Dan uses a written method to work out $1222 \div 47$
His answer is $24$

Use an inverse operation to show that Dan's answer is wrong.

Insert one pair of brackets to make this calculation correct.

$$3 + 5 \times 2 - 4 = 12$$

Insert one pair of brackets to make this calculation correct.

$$24 \div 6 + 2 = 3$$

Write one of $+$, $-$, $\times$ or $\div$ in each box to make this calculation correct.

$$20 \;\square\; 5 \;\square\; 3 = 12$$

Write down the value of $A$ and the value of $B$.

Work out the value of $A + C$

Work out the value of $C - A$

Work out the value of $A \times B$

Work out the missing number.

$$\square \div (-4) = -6$$

Work out the total cost for the five friends.

They pay with four £20 notes.

Work out how much change they should get.

Write down all the possible combinations of one sandwich and one drink.
You may use C, T and H for the sandwiches.

Work out the total number of different lunch deals that can be chosen.

Work out $4 + 2 \times (7 - 3)^2$

Priya says,

"$(3 + 5)^2$ has the same value as $3^2 + 5^2$"

Is Priya correct?
You must show how you get your answer.

Insert one pair of brackets to make this calculation correct.

$$2 \times 5 + 3^2 - 1 = 26$$

Marco buys supplies for a school art club.

He buys

• 4 packs of paper costing £3.25 for each pack
• 3 boxes of pens costing £5.40 for each box
• 6 glue sticks

Marco pays with £40 and gets £2.20 change.

Marco says,

"Each glue stick cost less than £1.50"

Is Marco right?
You must show how you get your answer.

Work out how many different three-digit numbers Amara can make.

Write down all the three-digit numbers Amara can make that are even and greater than 500.