Year 4 Conjecturing and generalising
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problemFavouriteSorting Logic Blocks
This activity focuses on similarities and differences between shapes.
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problemFavouriteSeeing Squares
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
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problemFavouriteZias and Zepts
On the planet Vuv there are two sorts of creatures. The Zias have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zias and how many Zepts were there?
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problemFavouriteCarrying Cards
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?
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problemFavouriteFractional Wall
Using the picture of the fraction wall, can you find equivalent fractions?
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problemFavouriteNice or Nasty
There are nasty versions of this dice game but we'll start with the nice ones...
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problemFavouriteTimes Tables Shifts
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
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problemFavouriteRound the Dice Decimals 1
Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?
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problemFavouriteSeeing Parallelograms
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
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problemFavouriteAmy's Dominoes
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
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problemFavouriteFour Go
This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?
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problemFavouriteLight the Lights Again
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
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problemFavouriteCut It Out
Can you dissect an equilateral triangle into 6 smaller ones? What number of smaller equilateral triangles is it NOT possible to dissect a larger equilateral triangle into?
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gameFavouriteThe Remainders Game
Play this game and see if you can figure out the computer's chosen number.
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problemFavouriteReasoned Rounding
Four strategy dice games to consolidate pupils' understanding of rounding.
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problemFavouriteClimbing Conundrum
Five children are taking part in a climbing competition with three parts, where their score for each part will be multiplied together. Can you see how the leaderboard will change depending on what happens in the final climb of the competition?
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problemFavouriteChocolate
There are three tables in a room with blocks of chocolate on each. Where would be the best place for each child in the class to sit if they came in one at a time?