Year 2 Estimating addition and subtraction calculations

Year 2 estimating calculations by rounding to the nearest multiple of 10 first. This resource has differentiated activities for children to solve an equation by rounding. They then write a reasoned answer about which answer is the closest. e.g is 12 + 9 closer to 20 or 30? children select 30 and write a sentence e.g 12 rounds down to 10 and 9 rounds up to 10 so 20 is the closest answers.
children working at greater depth have further opportunities to round, reason and also use the > and < sign to select the appropriate answer. This is a challenging activity for all levels. Children will be able to develop fluency with estimating and rounding. They will need a pre-teach lesson about rules of rounding prior to this. Suitable for the new Year 2 curriculum and meeting ITAF standards.

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  • Estimating-addition-and-subtraction-fluency.pptx
  • estimating-and-rounding-greater-depth.docx
  • estimating-and-rounding-working-at.docx
  • estimating-and-rounding-working-below.docx

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Created: Feb 14, 2017

Updated: Jun 18, 2018

Activity

pptx, 1 MB

Estimating-addition-and-subtraction-fluency

Activity

docx, 224 KB

estimating-and-rounding-greater-depth

Activity

docx, 219 KB

estimating-and-rounding-working-at

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