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Addition: Is the Answer Odd or Even?

In this worksheet, students decide whether the sum of three numbers is odd or even, without doing the calculation. Then they check their answer.

'Addition: Is the Answer Odd or Even?' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Addition and Subtraction

Curriculum subtopic:  Estimate Calculations and Check Answers

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

In this worksheet, you must decide whether the answer to an addition sum is odd or even.

 

Example

Is the answer to this sum odd or even?

34 + 15 + 44

 

Answer

34 + 15 + 44

 

We just look at the units digits and add 4 + 5 + 4 = 13, which is odd.

Remember that odd numbers end in 1, 3, 5, 7 and 9.

Even numbers end in 0, 2, 4, 6 and 8.

 

So the answer is odd

Is the answer to this sum odd or even?

20 + 22 + 42

Odd

Even

Is the answer to this sum odd or even?

26 + 15 + 12

Odd

Even

Is the answer to this sum odd or even?

17 + 30 + 1 

Odd

Even

Is the answer to this sum odd or even?

39 + 28 + 5

Odd

Even

Is the answer to this sum odd or even?

2 + 35 + 44

Odd

Even

Is the answer to this sum odd or even?

31 + 37 + 35

Odd

Even

Is the answer to this sum odd or even?

41 + 45 + 7

Odd

Even

Is the answer to this sum odd or even?

42 + 47 + 40

Odd

Even

Is the answer to this sum odd or even?

43 + 36 + 46

Odd

Even

Is the answer to this sum odd or even?

46 + 11 + 47

Odd

Even

  • Question 1

Is the answer to this sum odd or even?

20 + 22 + 42

CORRECT ANSWER
Even
EDDIE SAYS
Remember there is no need to work out the sum. Just add the units.
  • Question 2

Is the answer to this sum odd or even?

26 + 15 + 12

CORRECT ANSWER
Odd
  • Question 3

Is the answer to this sum odd or even?

17 + 30 + 1 

CORRECT ANSWER
Even
  • Question 4

Is the answer to this sum odd or even?

39 + 28 + 5

CORRECT ANSWER
Even
  • Question 5

Is the answer to this sum odd or even?

2 + 35 + 44

CORRECT ANSWER
Odd
  • Question 6

Is the answer to this sum odd or even?

31 + 37 + 35

CORRECT ANSWER
Odd
  • Question 7

Is the answer to this sum odd or even?

41 + 45 + 7

CORRECT ANSWER
Odd
  • Question 8

Is the answer to this sum odd or even?

42 + 47 + 40

CORRECT ANSWER
Odd
  • Question 9

Is the answer to this sum odd or even?

43 + 36 + 46

CORRECT ANSWER
Odd
  • Question 10

Is the answer to this sum odd or even?

46 + 11 + 47

CORRECT ANSWER
Even
---- OR ----

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