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100 Square

Path of Discovery Series 3: I do and I understand
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Path of Discovery Series 3: I do and I understand

Marion Bond recommends that children should be allowed to use 'apparatus', so that they can physically handle the numbers involved in their calculations, for longer, or across a wider ability band, than is currently the norm.
100 Square Jigsaw
problem
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100 Square Jigsaw

Age
5 to 7
Challenge level
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Can you complete this jigsaw of the 100 square?
Hundred Square
problem
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Hundred Square

Age
5 to 11
Challenge level
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A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?

The tomato and the bean
problem
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The tomato and the bean

Age
5 to 7
Challenge level
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At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?

Coded hundred square
problem
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Coded hundred square

Age
7 to 11
Challenge level
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This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Flashing Lights
problem
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Flashing Lights

Age
7 to 11
Challenge level
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Norrie sees two lights flash at the same time, then one of them flashes every 4th second, and the other flashes every 5th second. How many times do they flash together during a whole minute?
Worms
problem

Worms

Age
7 to 11
Challenge level
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Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?
Throw a 100
problem

Throw a 100

Age
7 to 11
Challenge level
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Can you score 100 by throwing rings on this board? Is there more than way to do it?
Diagonal Sums
problem
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Diagonal Sums

Age
7 to 14
Challenge level
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In this 100 square, look at the green square which contains the numbers 2, 3, 12 and 13. What is the sum of the numbers that are diagonally opposite each other? What do you notice?

Calendar Capers
problem

Calendar Capers

Age
11 to 14
Challenge level
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Choose any three by three square of dates on a calendar page...