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 Add or subtract 1, 10, 100 or 1000 to/from whole numbers. Count on or back in tens hundreds or thousands from any whole number up to 10000. Age 6-7 Parts of a 100-square. Fill in the missing numbers Age 8-9 Write the correct numbers in the boxes

 Ordering whole numbers. Write the numbers in order in the circles Age 8-9

 Estimating whole numbers and decimals. Estimate the position of a point on an undivided line. Age 8-9 Numbers from 0 to 50 and 0 to 100 (whole numbers) Age 9-10 Numbers from 0 to 100, 0 to 1000, -10 to 0 and -100 to 0 Age 10-11 Numbers from 0 to 1, 0 to 100, 0 to 1000, 0 to 10000, -10 to 10 and -100 to 0 Age 9-11 Identify numbers on a number line Number lines 0 to 1000 and 0 to 800 Part of a number line

 Rounding whole numbers Age 9-10 Round measurements to the nearest 10, 100 or 1000 Round distances from London

 Negative numbers and reading from thermometers Age 9-10 Use negative numbers in the context of temperature. Worksheet 1: ten thermometers are shown displaying a temperature less than zero. The temperature rises by a number of degree; mark the new temperature reading on the thermometer. Worksheet 2: the temperature at three different times of the day is given; mark them on a thermometer. At least one of the temperatures is less than zero. Work out how many degrees the temperature rises and falls. Worksheet 3: the temperatures at eight different times of a winter's day are given; mark them on a thermometer. All the temperatures are around zero. The worksheet could be used to ask several questions (not all answers are given). Work out how many degrees the temperature rises or falls. What is biggest rise or fall? What is the difference between the lowest and highest temperature? What is the season? Worksheet 4: the temperatures at eight different times of a summer's day are given; mark them on a thermometer.Work on reading scales rather than negative numbers. Worksheet 5: eight blank thermometers.

 Multiply and divide whole numbers and then decimals by 10, 100 or 1000. 0.6 x = 60 Age 10-11 Multiply and divide numbers by 10, 100 and 1000 Multiply and divide Just multiply Just divide

 Differences Age 9-11 Work out differences between numbers. Small differences Multiples of 10 differences