Mammoth Memory

Rounding – Simplify

Rounding and therefore simplifying allows you to make estimates which can be very useful in life as our examples will show.

Rounding up cattle and counting them to simplyfy this rounding the numbers gives a good estimate mnemonic image

Rounding up we have about 30 cattle rounded up cattle are simpler to count mnemonic

Rounded up cattle are simpler (simplify) and easier to count.

Underline the digit
Look next door
Five or more raise the score
Four or less just ignore 

NOTE:

Change all the numbers to the right of the underlined number to zero.

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