Multiplicative relationships | Maths | Quizalize & Oak National Academy

Starter quiz

A ____________ is the multiplicative inverse of any non-zero number. Any non-zero number multiplied by its __________ is equal to 1
- integer
- reciprocal ✓
- common factor
- proportion
- ratio
What is the additive relationship between the numbers shown?
- add 15 ✓
- subtract 15
- multiply by 4
- divide by 4
Using the function machine, what is the multiplicative relationship between the numbers?
- add 15
- subtract 15
- multiply by 4 ✓
- divide by 4
Match the numbers with their reciprocal.
- 2
  
  ⇔
  
  $\frac{1}{2}$ ✓
- 3
  
  ⇔
  
  $\frac{1}{3}$ ✓
- $\frac{3}{2}$
  
  ⇔
  
  $\frac{2}{3}$ ✓
- -3
  
  ⇔
  
  $\left(-\frac{1}{3}\right)$ ✓
- -2
  
  ⇔
  
  $\left(-\frac{1}{2}\right)$ ✓
- $\left(-\frac{5}{2}\right)$
  
  ⇔
  
  $\left(-\frac{2}{5}\right)$ ✓
Which of these operations could connect these two numbers?
- plus 20 ✓
- minus (-20) ✓
- plus (-20)
- multiply by 3 ✓
- divide by $$\frac{1}{3} ✓
Which of these would fit the multiplicative relationship?
- 1 to 5 ✓
- $\frac{5}{3}$ to $\frac{25}{15}$
- 6 to 30 ✓
- $\frac{3}{10}$ to $\frac{3}{2}$ ✓
- $\frac{1}{5}$ to 1 ✓

Only using one step, what is the additive relationship for the connection of these numbers?
- add 2
- add (-2) ✓
- add $\frac{1}{2}$
What two steps can be applied here for the connection of these numbers?
- subtract 10 then add 8 ✓
- add (-10) then add 8 ✓
- divide by 6 then multiply by 5 ✓
- add 8 then subtract 10 ✓
- divide by 5 then multiply by 6
Using the function machine, what is the multiplicative relationship between the numbers?
- There is none as it is division not multiplication
- Multiply by 6
- Add 6
- Multiply by $\frac{1}{6}$ ✓
- Subtract 6
What is the single additive step that connects these numbers?
- add 18 ✓
- add (-18)
- add 42
- add (-42)
Using the values in the table, match the following.
- The additive step from A to B
  
  ⇔
  
  4 ✓
- The additive step from B to A
  
  ⇔
  
  (-4) ✓
- The multiplier from A to B
  
  ⇔
  
  $\frac{3}{2}$ ✓
- The multiplier from B to A
  
  ⇔
  
  $\frac{2}{3}$ ✓
What is the single multiplier?
- $\frac{7}{3}$ ✓
- $\frac{6}{14}$
- $\frac{3}{7}$
- 2.5

Using additive strategies instead of multiplicative.

Emphasise that proportional relationships maintain a constant multiplier so we are looking for a multiplicative relationship.

Reciprocal - Reciprocal is the multiplicative inverse of any non-zero number. Any non-zero number multiplied by its reciprocal is equal to 1