Solving problems involving addition and subtraction | Maths

Starter quiz

What is 11 − 4?
- '7' ✓
Izzy uses a number line to find the answer to an equation. What has Izzy subtracted altogether?
- '6' ✓
Match the equations to the correct sum.
- 8 + 5 =
  
  ⇔
  
  13 ✓
- 9 + 2 =
  
  ⇔
  
  11 ✓
- 4 + 8 =
  
  ⇔
  
  12 ✓
- 7 + 7 =
  
  ⇔
  
  14 ✓
Alex has these number cards. He adds together three different cards and gets a sum of 17. What three cards did he add together?
- 3 + 6 + 7
- 3 + 4 + 6
- 5 + 6 + 7
- 4 + 6 + 7 ✓
Match the equations to the correct differences.
- 11 − 5 =
  
  ⇔
  
  6 ✓
- 14 − 5 =
  
  ⇔
  
  9 ✓
- 15 − 7 =
  
  ⇔
  
  8 ✓
- 11 − 6 =
  
  ⇔
  
  5 ✓
What is the missing subtrahend?
- '6' ✓

Which two number cards have a difference of 3?
- 4 and 6
- 4 and 7 ✓
- 4 and 8
- 6 and 8
Which two number cards have a sum of 13?
- 4 and 8
- 6 and 7 ✓
- 7 and 8
- 6 and 8
Which two number cards have a difference of 5?
- 4 and 9 ✓
- 5 and 9
- 5 and 8
- 5 and 9
Match the sums to the correct pair of number cards.
- 13
  
  ⇔
  
  = 6 + 7 ✓
- 15
  
  ⇔
  
  = 7 + 8 ✓
- 17
  
  ⇔
  
  = 9 + 8 ✓
- 16
  
  ⇔
  
  = 7 + 9 ✓
Two numbers have a sum of 23. One of the numbers is 14. What is the other number?
- '9' ✓
Which two numbers have a sum of 10 and a difference of 2?
- 6 and 4 ✓
- 5 and 3
- 3 and 7
- 7 and 5

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Difference can only be found by subtracting the subtrahend from the minuend.

Subtract the subtrahend from the minuend when they are far apart. When close together, find the difference counting up from the subtrahend.

Minuend - The minuend is the number being subtracted from.
Subtrahend - A subtrahend is a number subtracted from another.
Difference - The difference is the result after subtracting one number from another.
Sum - The sum is the total when numbers are added together.
Partition - Partition means splitting a number into smaller parts.