Search Results For “add and subtract multiples of 10 and 100”

Using part whole models to help with subtracting money.

Using part whole models to help with subtracting money (new coins).

Today we are going to look at a quick way that you can subtract 9 from a 2-digit number.

Subject decimals with different numbers of decimal places, with the help of place value charts.

Subject decimals with different numbers of decimal places, using column method.

Tricky subtraction from numbers in the millions. Lots of zeros to watch out for.

Tricky subtractions from millions, with plenty of zeros.

Today we will look at the written method of subtraction.

Today we will look at the written method of subtraction.

Investigating odd and even numbers and what happens when you add them together.

Add the coins together and write the total in dollars and cents.

To multiply by 21, just multiply by 20 and then add the number on. (To multiply by 20, double and times by 10.)