Math's Task for room 7's Triangles, Squares & Pentagons:

Triangles, Squares & Pentagons:

1) Continue this pattern:

15, 18, 21, 24, 27, 30, 33, 36, 39, 42

3) If the rule is ‘×7, subtract 3’ complete this pattern:

6,39,270,1887,13206

5) Use the rule in the box to calculate

the cost of buying 2, 4, 8 and 16 CDs.

1 CD = $19.99

Cost of 2 CDs =$39.99 Cost of 4 CDs =$79.99 Cost of 8 CDs =$159.99 Cost of 16 CDs =$319.99

6) If Anna spent $200 how many CDs were bought?10

7) Use the order of operations to solve this equation:  235 – (a) = 176... 176+24=200+35=235 Answer is 59

What is the value of a?59

9) Fill in the missing numbers  255, 263, 271,279,287,295 state the rule for the pattern.+8

10) Timothy swam many laps every Friday morning.

The distances he swam in his first 4 times were:

100m, 200m, 450m and 700m 950 m 1,200 m

If he continued this pattern, how long would his next 2 swims be?