Search Results For “multiply by 10 100 1000”

When multiplying 2-digit numbers by 1-digit in your head usually it is easier to start with the tens.

Using tables knowledge and doubling to multiply by 12, 24, 18 etc.

Multiplying whole numbers and tenths by a single digit. When multiplying numbers like these it is a good idea to start with the whole number or units.

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

It's multiplication and division this week. How do you multiply by 99 in your head? Easy if you think about it!

Finding multiples of numbers and remembering that finding the product means multiply.

A set of mental arithmetic questions aimed at multiplying numbers by 4 by doubling twice.

A quick look at the multiplication sign and multiplying by 2.

Using written multiplication method to multiply by 7.

Multiplying 4-digit whole numbers by a single digit, using the standard written method.

A first look at multiplying fractions by a whole number.

Rule: multiply or divide before adding or subtracting.