Answer key · Set A
Saving a little every week
18 2 + 2 + 2 + 2 = 8. Four twos make eight.
22 coins The jar goes 2, then 4, then 6. It grows by the same 2 coins every Saturday.
3False 1 coin a week gives 5 coins after 5 weeks. Ten coins would take ten weeks.
41-B, 2-A, 3-D, 4-C 1 × 10 = 10, 2 × 5 = 10, 5 × 2 = 10 and 10 × 1 = 10. A bigger step means fewer weeks.
5She walked on by Tia walked on by, so her coins kept adding up.
610 Five twos make ten.
74, 3, 2, 5, 1 She saw the set, heard her uncle's advice, saved every Saturday, reached ten coins and bought the set.
8A coin in the jar every week, Saving a little each week, Walking past the toy at the fair A coin each week, saving a little and walking past the toy keep the jar growing. Spending it all or skipping every Saturday saves nothing.
9She left out the fourth 2. Four twos make 8 2 + 2 + 2 + 2 = 8. Six coins is after three Saturdays, not four.
105 She needs 10 coins and has 5, and 10 − 5 = 5. At 1 coin a week she needs 5 more weeks.
11Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.