Connect the ideas
Use place value to explain each digit and powers of ten to scale numbers.
Brackets and powers come before multiplication/division, then addition/subtraction.
Factors divide exactly; primes have two positive factors.
Prime factorisation records every prime factor, including repeated factors.
A square root reverses squaring for non-negative numbers.
Round to the stated place and use an estimate to check the size of a result.
Topic test
Complete each paper and show your working.
Whole numbers, factors and powers topic test
15 questions · 32 marks · 45 minutes · By hand