Operating with Decimals

Stages

1. Decimal Number Sense

EXPLORE

Suggested Learning Intentions

  • To understand decimal place value to the thousandths
  • To understand the relative size of decimals

Sample Success Criteria

  • I can describe decimal place value to thousandths
  • I can explain and justify my solutions using a variety of manipulatives such as place value blocks, counters or decimats
  • I can use my knowledge of place value to compare, order and round decimals
EXPLORE

2. Adding and Subtracting Decimals

EXPLORE

Suggested Learning Intentions

  • To solve decimal problems using rounding and estimation 
  • To use my understanding of place value to solve decimal problems

Sample Success Criteria

  • I can round appropriately based on the context
  • I can explain the reasonableness of my estimations when working with decimals
  • I can rename decimals to assist with computation
  • I can model my solution using manipulatives such as place value blocks or decimats
  • I can apply my knowledge of addition and subtraction strategies when working with decimals
EXPLORE

3. Multiplying and Dividing by Powers of 10

EXPLORE

Suggested Learning Intentions

  • To understand that scientific notation can be used to describe infinitely large and infinitely small numbers
  • To learn how to multiply and divide decimals using knowledge of place value in a base-10 system

Sample Success Criteria

  • I can multiply and divide decimals by powers of 10 using written and mental strategies
  • I can describe different kinds of numbers using scientific notations
  • I can justify my thinking and solutions using manipulatives
EXPLORE

4. Multiplying and Dividing Decimals

EXPLORE

Suggested Learning Intentions

  • To recognise the appropriate operation when solving decimal problems in context
  • To use my number sense when multiplying and dividing decimal problems

Sample Success Criteria

  • I can select the operation and use effective strategies when solving decimal problems
  • I can explain my thinking using pictures, diagrams and number sentences when solving decimal problems
  • I can explain and justify my solutions using manipulatives or other representations of the mathematics
EXPLORE
Back to overview