Order of Operations

BODMAS (Brackets, Orders, Division and Multiplication, Addition and Subtraction) decides which part of an expression you work out first. Division and multiplication share one level, and so do addition and subtraction: inside a level, go left to right.

🎯 Try it yourself

Tap an answer. You'll see if it's right, and why. Easy ones come first.

1. Q1Easy

   What is 4 + 2 × 5?

   1. A14
   2. B13
   3. C10
   4. D30
   Show answer

   Answer: A. 14

   💡 Multiply first: 2 × 5 = 10, then 4 + 10 = 14.

2. Q2Easy

   What is 20 + 7 × 7?

   1. A69
   2. B59
   3. C56
   4. D61
   Show answer

   Answer: A. 69

   💡 Multiply first: 7 × 7 = 49, then 20 + 49 = 69.

3. Q3Easy

   What is 8 + 8 × 3?

   1. A32
   2. B28
   3. C34
   4. D48
   Show answer

   Answer: A. 32

   💡 Multiply first: 8 × 3 = 24, then 8 + 24 = 32.

4. Q4Medium

   What is 8 × 15 − 5 × 9?

   1. A65
   2. B63
   3. C57
   4. D75
   Show answer

   Answer: D. 75

   💡 8 × 15 = 120 and 5 × 9 = 45, so 120 − 45 = 75.

5. Q5Medium

   What is 8 × 5 − 6 × 5?

   1. A7
   2. B170
   3. C8
   4. D10
   Show answer

   Answer: D. 10

   💡 8 × 5 = 40 and 6 × 5 = 30, so 40 − 30 = 10.

6. Q6Medium

   What is 11 × 8 − 3 × 9?

   1. A765
   2. B81
   3. C495
   4. D61
   Show answer

   Answer: D. 61

   💡 11 × 8 = 88 and 3 × 9 = 27, so 88 − 27 = 61.

7. Q7Hard

   What is (17 + 19) × 9 − 24 ÷ 3?

   1. A379
   2. B316
   3. C336
   4. D346
   Show answer

   Answer: B. 316

   💡 Brackets: 17 + 19 = 36. Then 36 × 9 = 324 and 24 ÷ 3 = 8. Finally 324 − 8 = 316.

8. Q8Hard

   What is (3 + 13) × 3 − 90 ÷ 9?

   1. A32
   2. B38
   3. C41
   4. D18
   Show answer

   Answer: B. 38

   💡 Brackets: 3 + 13 = 16. Then 16 × 3 = 48 and 90 ÷ 9 = 10. Finally 48 − 10 = 38.