all Probability and estimates worksheets by Subject

The probability scale worksheet

The probability scale

Cut out these events and stick them where you think they should go on the probability scale. Remember, the probability scale starts at 0 and ends at 1, so you’ll need to be good with your decimals!
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Probability piranhas game

Probability Piranhas game

You are going to go piranha fishing in The Amazon using piranha cages! But there is a likelihood of river rapids, so you'll have to decide whether to put your piranha cages shallow or deep...
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Coin flipping investigation

Coin flipping investigation

When you flip a coin, there is an even chance that you will get either a head or a tail. This means that the chance of getting either is equally likely. Does the starting position of the coin affect the probability? Let’s find out!
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Estimating to calculate worksheet

Estimating to calculate

Before we do a calculation it’s useful to make a quick estimate. This helps because when we complete the calculation we will know if we are right or not based on the closeness to the estimation.Can you estimate the answers to the following? Remember to estimate, don’t do the working out!
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Estimating measures worksheet

Estimating measures

Estimating is all about making SENSIBLE guesses, based on things we already know. Have a go yourself!
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Estimate the price game

Estimate the price game

This is a game for 2 to 4 players. The aim of the game is to correctly estimate the correct price of an item. The game host holds all the item cards. Players are assigned an item and take it in turns to guess the price. The person closest to the correct answer ‘wins’ that item and is given the card. The first person with 3 cards wins!
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Maths card games for KS1 and KS2

Maths card games for KS1 and KS2

Playing with cards might seem old-fashioned in our screen-loving age, but maths card games will help your child become fluent and confident with numbers – without them even realising they're exercising their maths thinking brain. From number bonds to fractions and probability, try some of our traditional or adapted card games to practise basic maths concepts.
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Probability word problems worksheet

Probability word problems

Can you answer these tricky probability word problems? Pencil at the ready...
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Explaining probability worksheet

Explaining probability

Probability is when we make judgements on whether something is likely to happen or not. Probability can be described in words, or more accurately in terms of fractions and percentages. Where would you put these statements on the probability line?
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Testing probability

Testing probability

Millie is holding a bag of sweets. Imagine Millie picks a sweet out of the bag without looking. Read the following statements and tick which ones are correct.
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Chance and likelihood

Chance and likelihood

Jake has a spinner that looks like this. Can you work out which of the following statements are correct, thinking about chance and likelihood?
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Estimating practice worksheet

Estimating practice

At the school fair the children had to estimate how many sweets were in the jar. Look at their estimates and see who got it right. Now draw some sweets in this jar and ask an adult to make an estimate.
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Estimate and count worksheet

Estimate and count

Estimating is the big word for a ‘clever guess’. Look at these pictures. Without counting, estimate – make a clever guess – how many there are. Then check your estimate by counting and write the actual amount underneath.
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Estimating and checking calculations worksheet

Estimating and checking calculations

Susie has worked out answers to these calculations. Have a look through and estimate what you think the answer should be. Don’t spend ages working out the exact answer! Give Susie a tick if you think she is right or a cross if you think she is wrong. In the last column, explain why she is right or wrong. Afterwards, use a calculator to check whether Susie’s answers were right or not.
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Making reasonable estimates worksheet

Making reasonable estimates

Here is a bucket of pebbles. Make an estimate: how many pebbles are there in the bucket? Check by counting the pebbles. Were you right? Remember, an estimate is a ‘clever guess’, a guess that we think carefully about before making.
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Estimate and measure length worksheet

Estimate and measure length

Rulers at the ready! Estimate how long you think each of these items is. (An estimate is a ‘clever guess’.) Then measure with your ruler. Were you right?
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Checking estimates worksheet

Checking estimates

Can you estimate how many sweets are in the jar? An estimate is a clever guess (so it’s like a guess, but something you think very carefully about before making!).
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Cool Maths Games for kids learning pack

Cool maths games for kids

Add an extra learning dimension to family game time – try one of our Cool Maths board games and help reinforce your child's knowledge of number bonds, percentages and fractions while you play. Compiled by deputy headteacher Matt Revill and packed with 20 games, this maths learning pack covers all the key skills your child will need to master as part of the primary numeracy curriculum.
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Practise estimating numbers worksheet

Practise estimating numbers

Practise estimating numbers by doing an experiment and guessing how many pegs you can hold in your hand. Repeat the experiment using marbles and enter the data in a table.
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Estimating and checking times worksheet

Estimating and checking times

This fun maths worksheet will help your child to estimate and check times using a simple timer, watch or clock.
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