Square and cube numbers

More on square and cube numbers. You may have noticed that cube numbers start getting pretty big, pretty quickly.

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Continue to work with square numbers up to 20 squared. Try to learn all these. Square roots.

The prime factors of a number are the factors which are also prime numbers. They can be found by using a factor tree.

Using the standard written method to multiply 2-digit numbers.

The short multiplication method described, with practice pages multiplying 3-digit numbers by a single digit.