Multiplying, dividing and mixed operations · Usually met around P3
Multiplying by a one-digit number
From “Multiplying tens and hundreds by one digit” to “×25 and ×125”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- Multiplying tens and hundreds by one digitMultiply the tens digit, then put the 0 back
- Two-digit × one-digitSplit into tens and ones, multiply, add
- Three-digit × one-digitHundreds, tens, ones: multiply each, add
- Estimate first, then work it outEstimate first, then see if the answer is close
- Multiplying three numbersMultiply the easy pair first
- ×25 and ×125Multiply 25 × 4 = 100 first
Practise it in the game →Multiplying by a one-digit number · Free to start, unlimited questions, no downloadAll maths topics →