Support (from Y7 teaching programme)
Understand and use decimal notation and place value; multiply and divide integers and decimals by 10, 100 and 1000, and explain the effect.
Round positive whole numbers to the nearest 10, 100 or 1000 and decimals to the nearest whole number or one decimal place
Consolidate and extend mental methods of calculation to include decimals, fractions and percentages, accompanied where appropriate by suitable jottings
Multiply and divide three-digit by two-digit whole numbers; extend to multiplying and dividing decimals with one or two places by single-digit whole numbers. |
Core (from Y8 teaching programme)
Read and write positive integer powers of 10
Order decimals
Round positive numbers to any given power of 10
Make and justify estimates and approximations of calculations
Check a result by considering whether it is of the right order of magnitude and by working the problem backwards
Multiply and divide integers and decimals by 0.1, 0.01
Round decimals to the nearest whole number or to one or two decimal places
Consolidate & extend mental methods of calculation, working with decimals, fractions & percentages, squares & square roots, cubes & cube roots; solve word problems mentally.
Consolidate standard column procedures for addition and subtraction of integers and decimals with up to two places
Use standard column procedures for multiplication and division of integers and decimals, including by decimals such as 0.6 or 0.06; understand where to position the decimal point by considering equivalent calculations. |
Extension (from Y9 teaching programme)
Extend knowledge of integer powers of 10; multiply and divide by any integer power of 10.
Extend mental methods of calculation, working with decimals, fractions, percentages, factors, powers and roots
Use standard column procedures to add and subtract integers and decimals of any size, including a mixture of large and small numbers with differing numbers of decimal places
Multiply and divide by decimals, dividing by transforming to division by an integer |
MAP
~ Decimal ordering cards
KS3 (L3-L5 book)
~ Mental skills to L5
MEDIAN Mental Number Work
~ Counting
~ Snakes (Decimal)
~ Decimal Nim
~ Find a way
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MAP
~ Alfred and the prize money
MEDIAN Decimals
~ Changing the unit, L5
~ Pointless questions, mistakes and 1.1; Mis-takes, L5
~ Multiplication samesums, division samesums, L5
~ Scales, L5
~ Mis-times, L5
MEDIAN Place value
~ Missing zero
~ Sum change
KS3 (L3-L5 book)
~ Mental skills to L5
MEDIAN
~ Adder / Subtraction snake Decimals L4
KS3 Y8 Intervention
~ 8N4.1 Calculation methods
MEDIAN Written methods - Division
~ Fractions to decimals
~ Pattern answers
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ATM Developing Number
~ Complements
~ Number
~ Powers of ten
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~ Place value chart
~ Number lines
~ Decimal ordering cards
~ HTU chart
~ Gattegno charts
~ Diene's blocks
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Find a number between 4.35 and 4.362. And another, and another
Is there a connection between a fraction with a prime number denominator and recurring decimal equivalent?
4x6 = 24. What else does this tell you?
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MAP Level Ladders
~ Place value, rounding
~ Mental calculations
~ Written calculations
Able Y8
MEDIAN Place value
~ Finding last digits
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