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Addition and subtraction to 1000: Help file
Method of mental arithmetic up to 1000 is explained per type:
- HTE + E,
- HTE + T,
- HTE + TE,
- HTE + HTE,
- HTE-E,
- HTE-T,
- HTE-TE,
- HTE-HTE.
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Downloadable resource (50)Learning mentor -
Money Back: Schedule
On the basis of this schedule, your students can concretely propose exercises to give back on a paid amount.
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Downloadable resource (71)Teacher, ICT co-ordinator