# Resources tagged with: 100 square

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There are 10 NRICH Mathematical resources connected to 100 square, you may find related items under Physical and Digital Manipulatives.

Broad Topics > Physical and Digital Manipulatives > 100 square

### Coded Hundred Square

##### Age 7 to 11Challenge Level

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

### 100 Square Jigsaw

##### Age 5 to 7Challenge Level

Can you complete this jigsaw of the 100 square?

### Diagonal Sums

##### Age 7 to 14Challenge Level

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?

### Hundred Square

##### Age 5 to 7Challenge Level

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

##### Age 5 to 7Challenge Level

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?

### Flashing Lights

##### Age 7 to 11Challenge Level

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?

### Path of Discovery Series 3: I Do and I Understand

##### Age 5 to 7

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,. . . .

### Throw a 100

##### Age 7 to 11Challenge Level

Can you score 100 by throwing rings on this board? Is there more than way to do it?

### Calendar Capers

##### Age 11 to 14Challenge Level

Choose any three by three square of dates on a calendar page...

### Worms

##### Age 7 to 11Challenge Level

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?