Use column addition to solve problems | Maths | Quizalize & Oak National Academy

Starter quiz

Which addition calculation is represented by the base ten blocks?
- 115 + 41
- 1115 + 14
- 125 + 14
- 125 + 41 ✓
What is the missing sum in the column addition?
- '56' ✓
What is the value of the missing number in the column addition?
- '10' ✓
What is the value of the missing number in the column addition?
- '3' ✓
5. What is the missing addend in the column addition?
- '31' ✓
What is the missing addend in the column addition?
- '223' ✓

What is the missing addend in the column addition?
- 21
- 22
- 30
- 31 ✓
What is the missing addend in the column addition?
- '211' ✓
Jun arranges the number cards to make two 2-digit numbers. Which numbers would add to make the sum?
- 35 + 40
- 54 + 31
- 53 + 42 ✓
- 43 + 52 ✓
Jun arranges the number cards to make two 3-digit numbers. Which numbers would add to make the sum?
- 320 + 451 ✓
- 340 + 251
- 341 + 520
- 351 + 420 ✓
Match each pair of addends to the sum.
- 13 + 52 =
  
  ⇔
  
  65 ✓
- 14 + 52 =
  
  ⇔
  
  66 ✓
- 45 + 32 =
  
  ⇔
  
  77 ✓
- 31 + 25 =
  
  ⇔
  
  56 ✓
Match each pair of addends to the sum.
- 350 + 124 =
  
  ⇔
  
  474 ✓
- 310 + 245 =
  
  ⇔
  
  555 ✓
- 450 + 123 =
  
  ⇔
  
  573 ✓
- 350 + 234 =
  
  ⇔
  
  584 ✓

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Estimate the answer first to improve your accuracy
The addends are written in columns with the same value digits in the same column
The sum is recorded underneath the addends with the same value digits in the same column

Pupils may not refer to the size of the numbers when manipulating the digit cards.

Encourage them to talk about the size of the numbers and whether the digit cards represent ones, tens or hundreds.

Addend - An addend is a number added to another.
Sum - The sum is the the total when numbers are added together.
Column addition - Column addition is a way of adding numbers by writing a number below another.