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Subtract money using a number line with Australian dollars.
Subtract money using part whole models with Australian dollars.
Subtract money using a number line with New Zealand dollars.
Subtract money using part whole models with New Zealand dollars.
Subtract money using a number line with Euros.
Subtract money using part whole models with Euros.
Today we are going to look at a quick way that you can subtract 99 from a 3-digit number.
Today we are going to look at a quick way that you can subtract numbers such as 999 from a 4-digit number.
Subtract a number near 1,000 by adjusting.
A mixed bag of addition and subtraction: good for seeing whether children can use their skills to add and subtract quickly ?in their heads?.
Add and subtract with square and cube numbers.
Plenty of addition of a single digit to a 2-digit number, with the help of a 1-100 number square.
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