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Study the word list: Place value, Ordering and Rounding

	order	Numbers are put in order of size. *
	ascending	Ascending order is from the smallest number up to the biggest. *
	descending	Descending order is from the biggest number down to the smallest. *
	compare	We compare the size of numbers, for instance which is biggest or smallest or are they the same. *
	digit	21 is a two digit number. *
	approximate	An approximate value is close to the original number but not exact. *
	estimate	We estimate an answer when we use approximate numbers instead of the actual values. *
	decimal	A decimal number is a number with a decimal point in it, like 1.5. *
	greater	Greater than means bigger. *
	less	Less than means smaller. *
	equal	Equal means things have exactly the same value. *
	round	We round numbers to make them simpler using approximate values. *
	significant	Significant figures are a way of rounding numbers starting from the first non zero digit. *
	bound	The upper and lower bound are the range of values a number can fall between, also called limits. *

* This sentence was added by a Spellzone user.

Use the list: Place value, Ordering and Rounding

Learn this spelling list using the 'Look, Say, Cover, Write, Check' activity.

Look	order
Say
Cover	Look again
Write
Check

Look, Say, Cover, Write, Check

How to use:

Look and read the word.

Say the word. Click the speaker icon.

Cover the word.

Write the word.

Check your spelling.

order

ascending

descending

compare

digit

approximate

estimate

decimal

greater

less

equal

round

significant

bound

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Test yourself using the 'Listen and Spell' spelling test.

Start the Listen and Spell Test

Numbers are put in _____ of size.

Listen to the word and type it below:

Click on the ringmaster
to repeat the word.