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Lesson Plan: Ten More and Ten Less: Numbers up to 100 Mathematics • Second Year of Primary School
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find 10 more and 10 less than a number up to 100 and investigate how the number of tens changes.
Objectives
Students will be able to
- find 10 more than a given number,
- find 10 less than a given number,
- write 10 more and 10 less as number equations,
- understand that the ones digit does not change when finding 10 more or 10 less than a number.
Prerequisites
Students should already be familiar with
- calculating one more and one less for numbers up to 100.
Exclusions
Students will not cover
- adding or subtracting more than one group of 10,
- adding tens and ones.
