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Subtract
3-digit numbers using expanded decomposition; choose a subtraction
calculation strategy.
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Quickly find pairs of numbers with a total of
100 e.g. 35+ ? =100.
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Use counting up to subtract numbers on either
side of 100, answers less than 20 e.g. 103-98=
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Use decomposition to subtract, moving a 10
from the 10s to the 1s.
e.g. 345-227=
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Use decomposition to subtract, moving a 100
from the 100s to the 10 e.g. 345-163=
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Check a subtraction using
addition e.g. 72-56=16 so 56+16=72
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Estimate what the answer to a subtraction
question will be.
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This week, in Literacy, we will
complete our play scripts genre (see previous success criteria) .
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