NRICH SUBTRACTION PROBLEM SOLVING KS1

NRICH SUBTRACTION PROBLEM SOLVING KS1

Leah and Tom each have a number line. These activities focus on finding all possible solutions so working in a systematic way will ensure none are left out. Strike it Out game for an adult and child. Katie had a pack of 20 cards numbered from 1 to Investigate the total number of sweets received by people sitting in different positions. Finding Fifteen Age 7 to 11 Challenge Level:

Age 5 to 7 Challenge Level: How many trains can you make which are the same length as Matt’s, using rods that are identical? Got It Age 7 to 14 Challenge Level: Two Dice Age 5 to 7 Challenge Level: An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting. Can they make their lines the same length? Addition and Subtraction KS1.

She has 24 dominoes in her box and there are spots on them altogether.

Problem Solving :

What are the secret jumps they make with their counters? Given a target number, say 23, and a range of numbers to choose from, sayplayers take it in turns to add to the running total to hit their target.

Ten cards are put into five envelopes so that there are two cards in each envelope. Which way should you go to collect the most spells?

Addition and Subtraction KS2

Can you do it in fewer throws of the dice? Given subtractkon target number, say 23, and a range of numbers to choose from, sayplayers take it in turns to add to the running total to hit their target.

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What do you notice about these squares of numbers? Choose two of the numbers to multiply or divide, then mark your answer on the number line. Got It Age 7 to 14 Challenge Level: In this article for teachers, Lynne explains why it should be.

nrich subtraction problem solving ks1

If you had a weight on the left-hand 7, where could you hang two weights on the right to make it balance? Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

nrich subtraction problem solving ks1

How many biscuits weren’t decorated? Maze Age 7 to 11 Challenge Level: Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.

What strategies did you use? Which stamps would you need to post a parcel weighing g? There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs.

Can you find 2 butterflies to go on each flower so that the numbers on each pair of butterflies adds to the same number as the one on the flower? Tug of War Age 5 to 7 Challenge Level: To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

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Becoming confident and competent as a problem solver is a complex process that requires a range of skills and experience. How many sweets could she have had? Birthday Cakes Age 5 to 7 Challenge Level: Doing and Undoing Age 5 to 11 Challenge Level: Your school has been left a million pounds in the will of an ex- pupil.

Register for our mailing list. Find all the numbers that can be made by adding the dots on two dice. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. Secret Number Age 5 to 7 Challenge Level: How could he have put them into three piles so that the total in each pile was 15? Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Problem Solving

So,ving you work out where their counters will land? As you come down the ladders of the Tall Tower you collect useful spells. Junior Frogs Age 5 to 11 Challenge Level: