Pipe music with decimals

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Purpose

These exercises and activities are for students to use independently of the teacher to practice number properties.

Achievement Objectives
NA4-2: Understand addition and subtraction of fractions, decimals, and integers.
Specific Learning Outcomes
  • Place value for decimals
  • Addition of decimals using place value
Description of Mathematics

Addition and Subtraction, AM (Stage 7)

Required Resource Materials
Practice exercises with answers (PDF or Word)

Homework with answers (PDF or Word)

Activity

Prior knowledge.

  • Add and subtract whole numbers, using a range of strategies
  • Multiply and divide whole numbers by ten

Background

Students who are at stage 6 in the addition subtraction domain should have sufficient understanding of whole number addition and subtraction to transfer their strategies to decimals - once they have developed an understanding of the decimal point as a separator between the whole numbers and those numbers that are parts of a whole. (And learned to read decimals, developed an understanding of decimal place value and can order decimals).

Comments on the Exercises

Exercise 1
Asks students to use place value startegies to add decimals

Exercise 2
Asks students to put the missing decimal number in the box to complete the equation.

Exercises 3 and 4
Asks students to solve word problems involving addition and subtraction of decimals.

 

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Level Four