same same but different
random ratio
Simply simplifying
Be Rational
Hip to be Square
100
I am baking cupcakes for the class and the batch needs 1 cup of sugar to every 2 cups of flour.
one batch makes 12 cupcakes
If I have to make 2 batches to ensure everybody in the class gets a cupcake, what is the ratio of flour to sugar?
Original ratio
1:2
Ratio for 2 batches
2:4
100
15:20
100
By finding the HCF determine the simplest form of
18:72
1:4
100
is the below a rational number? why/why not
yes, because it is a whole number
3 X 3 = 9
The square root of 9 is 3
100
is 16 a square number? why/why not
Yes, 16 is a square number
4 x 4 = 16
if you draw a 4x4 square, you can fit numbers 1-16 perfectly
200
Show 3 equivalent ratios of 2:12
1:6
3:18
4:48
5:60
6:72
200
5:6
200
Using mathematical reasoning, show the ratio 6:20 in it's simplest form
Trick question!
6:20 is already in it's simplest form
200
How can I tell a decimal is an irrational number just by looking at it? you MUST use the correct mathematical terms
it is a non-repeating, non-terminating decimal
e.g 3.1415........
200
If 64 is the square number, what is the square root?
8
300
I need to wash my car and the car wash says 6 caps of detergent to every 12 litres of water.
If I only need 4 liters of water to wash my car, how many caps of detergent will i need? Show your answer in a ratio.
2 caps
Ratio = 2:4
300
I need to wash my car and the car wash says 6 caps of detergent to every 12 litres of water.
If I only need 4 liters of water to wash my car, how many caps of detergent will i need? Show your answer in a ratio.
2 caps
Ratio = 2:4
300
You are playing Mario kart and every time you get hit by a rogue turtle, you lose 20% of life.
If you got hit 4 times, what is the ratio in its simplest form?
original ratio
4:80
Simplest form
1:4
300
what can I convert a decimal number into to test if it is rational or not?
a Fraction
300
if my number is 16, what is the equation (problem) in standard form?
4 x 4
400
I buy a box of Cadbury favourites and the ratio of flakes to picnics is 12:22.
What is the least amount I could get in the box and still have an equivalent ratio?
6:11
400
You are collecting cans to save money for a skateboard.
For every kilo of cans you collect you get $10.
The skateboard costs $120, show what the ratio would be when you are half way.
6:60
400
Simplify 40:200 AND show your mathematical reasoning
1:5
400
what do the below numbers have in common?
square root of 16
0.44444444.....
and 2/4
The are all rational numbers
400
if my number is 49, what is the equation (problem) simplified?
72
500
Justify if 7:21 and 35:105 are equivalent or not.
Explain why
Yes they are equivalent
500
I have 1 teaspoon of sugar for every 3 weetbix for breakfast everyday before school.
What would my ratio be at the end of the school week?
5:15
500
At the end of the month I spent $600 on groceries.
I went grocery shopping 4 times in the month.
What is my ratio of money spent per grocery trip?
1:150
500
Give 5 square numbers under 100
2, 4, 9, 16, 25, 36, 49, 64, 81
500
if my number 104. what two square numbers have I added together?
100 (10 x 10)
4 (2 x 2)