Grade 7 - Mathematics - Chapter 1 - 13

The ten number below are Kiara's scores in a bowling game.

9, 21, 27, 35, 37, 101, 121, 125.

Put the numbers into the correct group.

Groups:

(a) Perfect Square

,

(b) Perfect Cubes

,

(c) Multiples of 7

,

(d) prime numbers

• 35

• 37

• 125

• 9

• 101

• 27

• 121

• 21

Mathematical Equivalence

OFF

Aaron has 20 red sweets, 36 yellow sweets and 48 greens sweets. Each type of coloured sweets is equally distributed into a certain number of bags. Find the number of yellow sweets in each bag.

The number of people who went to a concert was 18 000 (rounded to 2 s.f).

Write the largest possible estimate actual attendance.

Estimate, correct to 1 significant figure, the value of 53.95714 - 36.2078

Mathematical Equivalence

ON

Sarah is x years old. Her sister, Jane is 5 year younger than her. Their father is twice as old as Sarah. Their mother's age is the sum of Sarah and Jane's ages.

Write down the expression in terms of x for the sum of Sarah, Jane & their parents' ages.

Mathematical Equivalence

OFF

Mr. Olaf has a collection of x toy figurines.

Each toy figurine cost $28.

He displays the toy figurines in a glass cabinet costing $197.

If the total value of the cabinet and x toy figurines is $785,

find the number of toy figurines in Mr. Olaf's collections.