Rates of Change

Sarah is planning to donate some scarves to the local charity for their winter drive next month. She already has $8$8 old scarves that she is willing to give away and plans on adding to this amount by knitting $2$2 each week.

a

Complete the table.

Week | Number of scarves |
---|---|

$0$0 | $\editable{}$ |

$1$1 | $\editable{}$ |

$2$2 | $\editable{}$ |

$3$3 | $\editable{}$ |

$4$4 | $\editable{}$ |

b

What amount is added to the number of scarves in each row?

c

What does this amount represent?

the number of scarves that Sarah will buy each week

A

the number of scarves that Sarah will knit each week

B

the difference between the number of scarves that Sarah will have knitted and the number of scarves she will have bought

C

the number of scarves that Sarah will have knitted after $20$20 weeks

D

the number of scarves that Sarah will buy each week

A

the number of scarves that Sarah will knit each week

B

the difference between the number of scarves that Sarah will have knitted and the number of scarves she will have bought

C

the number of scarves that Sarah will have knitted after $20$20 weeks

D

Easy

Approx 2 minutes

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