Question P3 Growing patterns and tables
Today’s problem — free all day, every step. Every day has one.
Ravi is threading red beads onto bracelets. Bracelet 1 has 3 red beads, Bracelet 2 has 7 red beads, and Bracelet 3 has 11 red beads. How many red beads will Bracelet 7 have?
Answer
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Find the rule, so Figure 250 is no harder than Figure 4.
In this one. When a list goes up by the same amount every time, you reach any later term by adding that step over and over in a table — you never have to draw the figure itself.
A row of figures or a table of numbers is shown for the first few terms only, and the question asks for a term far further along, such as 'Figure 6' or 'Figure 250'.
Children extend the sequence one term at a time by drawing or counting. Finding the fixed step or relationship lets them jump straight to the term asked for.
Worked examples of all 33 patterns and skills, in a booklet you can print.