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Can you put these four calculations into order of difficulty? How did you decide?
Can you match these calculation methods to their visual representations?
How many ways can you find to put in operation signs (+, −, ×, ÷) to make 100?
Can you find ways to put numbers in the overlaps so the rings have equal totals?
This task combines spatial awareness with addition and multiplication.
Can you find all the ways to get 15 at the top of this triangle of numbers? Many opportunities to work in different ways.
Have a go at balancing this equation. Can you find different ways of doing it?
Can you work out some different ways to balance this equation?
Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?
In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.
Here are some short problems for you to try. Talk to your friends about how you work them out.
This problem is designed to help children to learn, and to use, the two and three times tables.
Can you use the information to find out which cards I have used?
What is the smallest number of answers you need to reveal in order to work out the missing headers?
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.
This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.
Mathematicians are always looking for efficient methods for solving problems. How efficient can you be?
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Here is a chance to play a version of the classic Countdown Game.
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
The puzzle can be solved with the help of small clue-numbers which are either placed on the border lines between selected pairs of neighbouring squares of the grid or placed after slash marks on the intersections between two diagonally adjacent squares.
Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?
Can you arrange these numbers into 7 subsets, each of three numbers, so that when the numbers in each are added together, they make seven consecutive numbers?
Tim had nine cards each with a different number from 1 to 9 on it. How could he have put them into three piles so that the total in each pile was 15?
Think of a number, add one, double it, take away 3, add the number you first thought of, add 7, divide by 3 and take away the number you first thought of. You should now be left with 2. How do I know?
Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Practise your tables skills and try to beat your previous best score in this interactive game.
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
The value of the circle changes in each of the following problems. Can you discover its value in each problem?
Sally and Ben were drawing shapes in chalk on the school playground. Can you work out what shapes each of them drew using the clues?
Katie had a pack of 20 cards numbered from 1 to 20. She arranged the cards into 6 unequal piles where each pile added to the same total. What was the total and how could this be done?
Find at least one way to put in some operation signs to make these digits come to 100.
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
Charlie and Abi put a counter on 42. They wondered if they could visit all the other numbers on their 1-100 board, moving the counter using just these two operations: x2 and -5. What do you think?
Investigate how you can work out what day of the week your birthday will be on next year, and the year after...
Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?
Use these four dominoes to make a square that has the same number of dots on each side.
Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
Can you go through this maze so that the numbers you pass add to exactly 100?
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?