Constant of Proportionality

• Mathematics
• Upper Secondary (Key Stage 4)
• GCSE

Constant of Proportionality

Write the following in "normal form"

e.g. 3.2 x 10⁴ = 32000

1) 2.7 x 10³ 

^{2) 1.04 x 105}

^{3) 0.219 x}           

^{4) 5.37 x}         

10​−3​​

10​2​​

What is the value of 5.2 x ?

10​3​​

1. 520
2. 52
3. 52000
4. 5200

Which of the following is written in standard form?
A) 3.5 x B) 35x10 C) 0.35 x D) 3.5

10​4​​

10​5​​

1. ?
2. ?
3. ?
4. ?

8.7 x is the standard form of which of the following?

10​6​​

1. 8700
2. 87000
3. 870000
4. 8700000

I read 4 books in 6 days

What is the constant of proportionality?

How can we write this "mathematically"?

How many books will I read in 15 days?

I eat 6 bags of mini Haribo in 10 days
What is the constant of proportionality?

I eat 6 bags of mini Haribo in 10 days
How many will I eat in 25 days?

I award 30 house points across 8 lessons.
What is the constant of proportionality?

I award 30 house points across 8 lessons.
How many will I award over 20 lessons?

Questions - Examples

Questions

 Examples

Questions

 Have a go...

Question Time

In books

Questions - Have a go...(6 marks)

Questions - Examples

Questions - Examples