Year 8 Term 3 Homework Sheet 4 Due Date: Thursday 23 August Name: ANSWERS

REVIEW

1. Match the following items in the left-hand column with the units that you would use to measure their area in the right-hand column.

2. Find the area of the following shape (each square has an area of 1 cm2).

15 cm2

3. Complete the following chart.

10 000 x

÷ ÷ 100

a.
What are the missing numbers?
4  2
+ 2  1 other answers
 3 6 possible / b.
What numbers could add on to 427 to make it divisible by 10?
Give 2 possible solutions
3, 13, 23, 33, 43, etc / c.
What could the missing numbers be?
   458 Many
-    323 possibilities
1 3 5

5. For the following number patterns, describe the number pattern, then write the next three numbers in the pattern.

a.
1, 8, 27, … 64, 125, 216 / b.
8, 5, 2, … -1, -4, -7 / c.
3, 6, 12, … 24, 48, 96
These are cubic numbers
13, 23, 33, 43, etc / Subtract 3 from the previous number / Double the previous number

6. State the length which is indicated by the arrow.

3.7 cm

7. Draw an arrow to show 5.2 cm on the ruler below.

8. The following represent values of particular angles.

156º 45º 178º 289º 10º 120º

62º 270º 304º 90º 75º 220º

(a) How many acute angles are there? 4 List them. 45º, 10º, 62º, 75º

(b) How many obtuse angles are there? 3 List them. _156º, 178º, 120º

9. Use the bar graph to answer the following questions.

(a) How many students have brown eyes? 40

(b) How many students were surveyed? 115