**"Whole numbers"**

## Grades 7 to 9 Who am I?

*By toni On 20 January, 2018 · Leave a Comment*

How quickly can you find me?

I am a whole number less than 1000.

The product of my digits is 225.

I am not a multiple of 5.

Am I a multiple of 13?

Am I real? Am I rational? Am I irrational?

Now divide me by 11. Is the answer real? […]

## Grades 4 and 5 Target 100

*By toni On 3 January, 2018 · Leave a Comment*

This is a game for the whole class. It can be played a few times as a lesson starter. The teacher will need a 0 to 9 spinner or dice.

All the learners should draw in their notebooks a hundreds, tens and units grid as shown. The teacher spins the spinner and […]

## Grades 5 to 7 Target 10 Thousand

*By toni On 2 January, 2018 · Leave a Comment*

Another TARGET game for the whole class to play as a lesson starter.

You will need a 0 to 9 spinner or dice.

Spin the spinner and the players must write the digit in one of the top five boxes.

Once a number is written the position cannot be changed.

Repeat four […]

## Grades 4 to 7 Target Multiplication

*By toni On 2 January, 2018 · Leave a Comment*

Another TARGET game for the whole class to play as a lesson starter.

You will need a 0 to 9 spinner or dice.

Spin the spinner and the players must write the digit in one of the top four boxes.

Once a number is written its position cannot be changed.

Repeat three […]

## Grades 6 and 7 Target 4 by 2 Division

*By toni On 2 January, 2018 · Leave a Comment*

Play this game as a lesson starter for the whole class or in pairs. Use a 0 to 9 spinner or dice.

VERSION 1 This is a game of chance.

Each player must draw the grid on a showboard or in their notebook.

Spin the spinner and the players must write the […]

## Grades 5 to 7 Target Division

*By toni On 2 January, 2018 · Leave a Comment*

Play this game as a lesson starter for the whole class or in pairs. Use a 0 to 9 spinner or dice.

VERSION 1 This is a game of chance.

Each player must draw the grid on a showboard or in their notebook.

Spin the spinner and the players must write the […]

## Grades 4 to 7 Target Subtraction

*By toni On 2 January, 2018 · Leave a Comment*

This is another TARGET game for the whole class to play as a lesson starter.

You will need a 0 to 9 spinner or dice. Click here for a template and instructions for making spinners. Alternatively the game can be played by pairs of learners and they will […]

## Grades 4 to 12 The answer is 2018, what is the question?

*By toni On 1 January, 2018 · Leave a Comment*

You can be a creative mathematician, you can be someone who has your own mathematical ideas.

Find your own interesting facts about 2018 and calculations that have the answer 2018. For example did you know that 2018 is the product of two prime numbers?

You might think of calculations like: 2 x […]

## Grades 4 to 7 Magic Numbers

*By toni On 5 November, 2017 · Leave a Comment*

What patterns do you see in them?

Suppose you have to share 9872 gold coins between 8 people.

You split them into 4 piles. Then you share each of the piles between the 8 people

You give each person 1000 + 200 + 30 + 4 coins.

## Grades 6 to 8 Same Volume

*By toni On 29 October, 2017 · Leave a Comment*

What is the volume of this cuboid?

How many other cuboids with whole number dimensions have the same volume?

Do any of them have the same surface area?

Which has the biggest surface area? Which has the smallest?

How many have a square cross section?

Click here for Notes for Teachers.

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