Decimals worksheets
Free worksheets: Decimals, KS2
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Ordering decimals: tenths and hundredths
Use this worksheet to encourage your child to practise ordering decimals. This activity focuses on the tenths and hundredths.
Multiplying decimals by 10, 100 and 1000
A worksheet to help your child understand what happens to a decimal number when it is multiplied by 10, 100 and 1000.
Equivalent fractions, decimals and percentages memory game
Cut out the number cards and turn them all face down. Take turns picking a card up, reading the number and trying to find an equivalent percentage, decimal or fraction. If you find a match you keep the cards; the winner is the player with the most cards at the end of the game.
Decimal and fraction equivalence
The same mathematical quantities can be represented as fractions or decimals. Can you match these decimal cards with their equivalent fractions?
Decimal and fraction equivalence racing game
Test your decimal and fraction knowledge with this speedy game. On your marks...
Comparing decimals and fractions
Look at these pairs of decimals and fractions. Can you circle the largest one in each pair?
Ordering decimals: tenths and hundredths
Use this worksheet to encourage your child to practise ordering decimals. This activity focuses on the tenths and hundredths.
Rounding decimals to the nearest whole number or one decimal place
To round a number to the nearest whole number, look at the number after the decimal point. If it is less than 5, you round down. If it is more than 5, you round up. No matter how many numbers are after the decimal point, to round to the nearest whole number you need look only at the first digit after the decimal point. Now see if you can round each of these numbers to the nearest whole number.
Blank hundred chart or hundred square
Use a blank hundred square to explain decimals to KS2 children, as well as showing the equivalence between fractions, decimals and percentages.
Fish / cakes: matching decimals and fractions
Can you draw a line connecting the fish and cakes whose decimals and fractions match?
Multiplying decimals using the grid method
When multiplying a decimal over one (such as 2.4) by a one-digit number, the grid method can come in handy. By Y6 your child will know how to use the grid method and they will also already know how to multiply a decimal under one by a one-digit number. They just need to put these two skills together for this activity!
Multiplying and dividing decimals
When you want to multiply a decimal by a one-digit or two-digit number, you can use the long multiplication method. It is very important to remember to line up your numbers correctly
or your decimal point will end up in the wrong place! Practise these sums using this method.
or your decimal point will end up in the wrong place! Practise these sums using this method.
Turning fractions into decimals
To turn a fraction into a decimal, divide the numerator by the denominator. See if you can work out what the decimal equivalents to these fractions are. Do this in your head! Then try the next set; they are harder so you will need to use a calculator. Remember, you need to divide the numerator by the denominator. Give your answer rounded to two decimal places.
Giving a decimal answer to a division question
If the result of a division calculation is a whole number with a remainder you could show it as a decimal number instead. Use these method to solve these really tricky division questions.
Mental multiplication and division of decimals
Use your knowledge of times tables to work out these sums involving multiplying and dividing decimals.
Equivalent fractions, decimals and percentages memory game
Cut out the number cards and turn them all face down. Take turns picking a card up, reading the number and trying to find an equivalent percentage, decimal or fraction. If you find a match you keep the cards; the winner is the player with the most cards at the end of the game.
Multiplying decimal numbers by one-digit numbers
If you are multiplying a decimal by a one-digit number, it is a good idea to multiply the decimal by 10 first to make the calculation simpler. Don’t forget to divide the answer by 10, too! Use this method to help you work out these sums.
Understanding decimal numbers
Numbers to the right of the decimal point are tenths of a whole. Numbers to the right of the tenths are hundredths of a whole. Can you shade these decimals on the squares below? Remember: each square represents one whole unit, made up of 100 hundredths.
Relating fractions to decimals
Can you cut out these cards and then match them up? This will help you relate simple fractions to decimals.
Number sequences including decimals and negative numbers
These tricky number sequence include decimals and negative numbers. Can you work out what the numbers in the blank lily pads should be?
Decimals: doubling and halving
When doubling and halving decimals it is sometimes easier to imagine them as two-digit numbers. See if you can double and halve the following decimals, using the knowledge you already have of doubling and halving other numbers.
Adding and subtracting decimals
When adding and subtracting decimals, it can be helpful to think about money. For example: 1.7 + 1.5. Change this to £1.70 and £1.50 to make £3.20, so the answer is 3.2. Use this method to work out these sums.
Decimals made simple
Do you dread decimals? Don't! Our Decimals made simple learning pack aims to take you through every aspect of primary-school decimal learning, from using decimal notation in money and measurements to converting fractions to decimals and rounding decimals to the nearest whole number. As well as a year-by-year guide to what your child learns you'll be able to complete 35 worksheets with your child to help them put their decimals knowledge into practice. And why not end a study session with a quick decimal game? Use the number spinner provided to try your hand at making the biggest (or smallest) decimal number, or speed-racing some decimal multiplication or division.