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John Mason talks about convincing yourself, convincing a friend and convincing a sceptic. If your pupils don't know what a sceptic is, now's a good time to help them to understand!!
This collection is one of our Primary Curriculum collections - tasks that are grouped by topic.
This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?
How could you put these three beads into bags? How many different ways can you do it? How could you record what you've done?
Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?
There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What could each of the children buy with their money?
Can you use the information to find out which cards I have used?
This task depends on learners sharing reasoning, listening to opinions, reflecting and pulling ideas together.
Use your knowledge of place value to try to win this game. How will you maximise your score?
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
Complete the Mathdoku grid using the clues. Can you convince us that the number you have chosen for each square has to be correct?
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?
This challenge combines addition, multiplication, perseverance and even proof.
There are lots of different methods to find out what the shapes are worth - how many can you find?