We can divide $68$68 by $4$4 by drawing $68$68 dots in $4$4 rows.

a

To work this out we can count groups of $4$4 until we reach $68$68.

But that could take a long time if we go $1$1 group of $4$4 at a time, so let's count up in larger groups.

If we first count $10$10 groups of $4$4, how many dots will we have used?

$\editable{}$ dots | |

$4$4 rows | |

$68$68 dots |

b

How many dots are remaining when we take away the first $40$40?

$40$40 dots | $\editable{}$ dots | |

$4$4 rows | ||

$68$68 dots |

c

How many columns of $4$4 dots will we have in the group of $28$28?

d

Here is the complete array.

$10$10 columns | $7$7 columns | |

$40$40 dots | $28$28 dots | |

$4$4 rows | ||

Total: $68$68 dots |

Using this, what is $68\div4$68÷4?

Easy

Approx 2 minutes

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