Add and subtract numbers with up to four digits using the
formal written methods of columnar addition and subtraction
where appropriate
Solve addition and subtraction two-step problems in contexts,
deciding which operations and methods to use and why
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Adding and Subtracting Mental strategies
Add and subtract numbers mentally with increasingly large numbers. In this worksheet, children recap and build on their learning from previous years to mentally calculate sums and differences using partitioning. They use their knowledge of number bonds and place value to add and subtract multiples of powers of 10. If they know that 3 + 4 = 7, then 3 thousand + 4 thousand = 7 thousand and 3,000 + 4,000 = 7,000. Children need to be fluent in their knowledge of number bonds to support the mental strategies. How does knowing that 6 + 3 = 9 help you to work out 60,000 + 30,000? “How can the numbers be partitioned to help add/subtract them?” "Are any of the numbers multiples of powers of 10? " “How does this help you to add/subtract them?”
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Adding and Subtracting 1s, 10s, 100s, and 1,000s
These are differentiated worksheets to support and challenge adding and subtracting 1s , 10s , 100s and 1,000 from any number.
£5.00
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