## Division

### Digital roots

Digital roots is an activity to help children improve their division, reasoning and explanation skills.

KS2

#### Aims

• To divide a range of 2-digit numbers by a 1-digit number.
• To refine pencil-and-paper methods.

#### Players

• This is an activity for two players

#### Resources

• Two sets of 1–9 digit cards
• Paper and pencils
• Calculator

### What to do

• Give each pair a set of 1–9 digit cards.
• Players shuffle the cards and then take two to make a 2-digit number. For example, 59.
• Players then find the digital root of this number. For example, 5 + 9 = 14, 1 + 4 = 5.
• When the digital root has been found, players then divide 59 by this number. So, 59 ÷ 5 = 11 remainder 4 or remainder .
• Play continues like this and ...

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