# Day: November 1, 2022

## Riveting Revision – Maths

This week we have a maths test, so we were tasked to look through this revision doc. There was work from all the things we have learnt this year.

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Riveting Revision

WALT: revise our learning and apply our skills in a range of concepts

We are revising our previous learning!

5 ^2 = 25

6 ^3= 216

√25 = 5

√81= 9

√64 = 8

Place value revision

Decimal revision

What is 0.15 x 10?  1.5

What is 1000 x 10? 10000

What is 1 ÷ 10? 0.1

What  is 1 ÷ 100? 0.01

0.2 ÷ 10 = 0.02

How many 10s are in 231?

23.1

How many thousands are in 1345?

1.345

How many hundreds are in 2354?

23.54

How many mm are in a cm?

10mm=1cm

How many cm are in a m?

100cm=1m

How many g are in a kg?

1000g=1kg

How many ml are in a L?

1000ml=1L

145mm + 5 cm = 19.5 cm

155 mm + 1.5 cm = 17 cm

1km + 550m= 1550m

Which of these are the largest?

11 230 mm

1095 cm

108.9 m

0.1km

Shape Revision

Perimeter Revision

Area and Volume Revision

What are the properties of a triangle? Three Sides, Three Angles, Three vertices

What do the angles of a triangle add up to? 180 degrees

What is the area of this shape? Its height is 7cm and its base is 5cm. Area – 35

What are the properties of a cube? 6 faces, 12 sides, 8 vertices and 24 angles

Its sides are 12cm long. What is its volume? 1728

Each side of a square is 5cm long.

What is its perimeter? 60cm squared

What is its area? 150cm squared

The radius is 5. What is the area of the circle? 31.4

2875 – 1967 = 908

90+89+75+ 84 = 338

?- 450 = 962 (?=512)

Percentage Revision

Write 70/100 as a percentage 70%

Write 40/200 as a percentage 20%

What is 15 percent of 300 5%

Fraction Revision

½ + ⅙ = 4/6

⅓ + 1/ 6 = 3/6

⅕ + ¼ = 9/20

What is a number in between 2/10 and ½? 3

47.03 + 1.97 = 49

0.5 = 50%

25% = 0.25

¼ = 25%

Put the following in order from smallest to biggest:

0.1, 0.07, 0.21, 0.3, 0.076/ 0.07,0.076,0.1,0.21,0.3

55 – 45.5 = 9.5

1.34 + 4.34 = 5.68

Allen wants to use the computer for one hour at an internet cafe – which is the cheapest rate?

1. 16 cents a minute
2. \$5.60 an hour
3. \$2.30 per 20 minutes
4. 50 cents per 5 minutes
5. \$3.60 per 30 minutes

Ratio Revision

If 6 packets of lollies cost the same as 4 cookies, how many packets of lollies would cost the same as 10 cookies? 15

Mean, median, mode and range

5, 5, 6, 4, 5, 6, 7, 5

What is the range of these numbers? 3

What is the average of these numbers? 5

What is the median of these numbers? 5

What is the mode of these numbers? 5

Probability

What is the probability that a die will land on a six?

⅙

What is the probability that a coin will land on heads?

50%

I want to know whether there are more boys or girls in year eight at PES. Can I figure this out by looking at the year eights in room 4? How would I work this out?

You could count the average number of year 8 girls and boys in room 4. Then multiply this by the amount of classes in year 8.

_ – 55 = 92. (_=37)

Interpreting graphs How can you interpret this graph?

Sue spent about 2 hrs at her destination How can you interpret this graph?

Golden retrievers are the most common breed of dog at the dog park. How can you interpret this graph?

Most men are heavier and taller than the females in this graph. 9 minutes

Bob gets to Church Street at 08.15, what train should he catch? Train 2 6

What is the coordinate of the heart? 5,1

The square moves 2 places left and one place up. What is it’s new coordinate? 3,4

The triangle is reflected across line y = 7 . What is the location of the reflection? 2,8

-2 + – 3 = -5

1 – 5 = -4

FINDING A RULE!

VIDEO

 1 2 3 4 5 6 7 4 7 10 13 16 19 22

The rule is: For every 1 added, 3 more are added to the bottom row.

The 20th number in the pattern is: 20 (to prow) 58 (bottom row) 1 2 3 3 5 7

What is the rule for this pattern?

For every blue star added the same amount is mirrored on the other side of the red star.

What would the next two numbers in the pattern be?

4 (top column) 9 (bottom column)

What would the 100th number be?

100 (top column) 201 (bottom column)

T x 2 = 20

T x 5= 50

7 x B = 65

2 x B = 16

Angles Estimate the size of angle a 45 degrees

Estimate the size of angle b 135 degrees

What do the interior angles of a triangle add up to? 180 degrees