When you subtract a one-digit number from a two-digit number, it can be helpful to use the bridging method as it will help you to do similar subtractions in your head. Can you use this method to answer these sums?
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When we subtract a one-digit number from a two-digit number, it can be helpful to use the ‘bridging’ method. Can you use this method to work out these sums?
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Have a go at these subtraction word problems and see how well you do.
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How are your subtraction skills? Can you work out the answers to these football subtraction word problems?
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Number lines are vertical versions of number lines, used in primary-school maths to help children become familiar with our number system and perform simple calculations like addition and subtraction.
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Number lines are an essential tool in primary-school maths. Print out our colourful versions for use with your child at home, or use them as inspiration to help your child design (and perhaps decorate) their own number line.
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Starting with the number on the left, work out which route the girl takes to get to the yellow house. Which route does she take to get to the lilac house?
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The Subtraction Monster loves subtractions and turns every addition he sees into one! Help him turn these additions into subtractions!
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Inverse operations are opposites. We use them to check our calculations, ‘undoing’ an operation to get us back to where we started. The inverse calculation of addition is subtraction. Use subtraction to help you find the missing numbers in these sums.
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Can you complete these subtractions using the number line?
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Complete these calculations then write a subtraction word problem to go with the numbers. You could draw a picture to go with each problem, too! Don’t forget to use words like ‘were left’ and ‘in total’.
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Let's play bingo! Each player has a board. The caller reads out a calculation question from the list. The person who has the correct answer on their board puts a counter on top of it. The winner is the player who covers all the numbers on their board first.
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Cut out the speed cards and turn them face down on the table. Pick up two cards. Take the smallest number away from the largest and say the answer, as quickly as you can!
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How good are you at answering tricky maths questions? Ask a grown-up to time how long it takes you to say the answer to these questions! Ready, set, go...
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Coloured pencils at the ready! Can you colour in the right numbers to answers these questions? You are going to be finding 10 more or 10 less than a number in a number square.
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Here are some tricky number problems. Can you solve them? Use the number line snake to help if you want!
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Cut out and assemble the number dice. Two players take it in turns to throw one die, then the other. Each player adds (or subtracts) the two numbers thrown, then writes down the answer on the scorecard (next page) and asks the other person to check it. The player with the most correct answers after ten goes each is the winner.
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Can you add or take away 10? Cut out the number cards and turn them face down on a table. Pick up one card at a time. Write down the number, then write 10 more and 10 less than that number in the scorecard columns.
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Set a stopwatch and time yourself working out the first set of ten number sentences. Now time yourself doing the next set. Did you beat your first time? See if you can get faster doing the third and fourth
set.
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How quickly can you finish this sheet of addition and subtraction calculations? Ready, steady, go...
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