VC2M5N08
check and explain the reasonableness of solutions to problems, including financial contexts using estimation strategies appropriate to the context
- interpreting a series of contextual problems to decide whether an exact answer or an approximate calculation is appropriate, and explaining their reasoning in relation to the context and the numbers involved
- recognising the effect of rounding addition, subtraction, multiplication and division calculations, and rounding both numbers up, both numbers down, and one number up and one number down; and explaining which estimation is the best approximation and why
- considering the type of rounding that is appropriate when estimating the amount of money required; for example, rounding up or rounding down when buying one item from a store using cash, compared to rounding up the cost of every item when buying groceries to estimate the total cost and not rounding when the financial transactions are digital
- Plus Plan
Daily Decimals Worksheet
Model decimals in various ways and use estimation skills to complete decimal calculations.
- Plus Plan
Rounding Numbers – Match-up Activity
Practise rounding decimals and whole numbers with this match-up activity.
- Free Plan
I Have, Who Has – Rounding to 500 000
Use this engaging maths game to practise rounding numbers through 500 000 with your students.
- Plus Plan
Estimating Products of Whole Numbers Matching Game
Guide your students to round the factors to estimate the product with this maths matching game.
- Plus Plan
Estimation With Decimal Multiplication Matching Game
Guide your students to estimate products with decimals by using this 36-card matching game.
- Plus Plan
Estimating Products With Decimals Task Cards
Challenge your students to estimate before multiplying decimals with this set of 24 task cards.
- Plus Plan
Estimating Quotients Doodle Notes
Engage your students with this set of doodle notes when teaching them how to estimate quotients.
- Plus Plan
Estimating Quotients Sorting Activity
Guide your students to use rounding and compatible numbers when estimating quotients with this 24-card sorting activity.
- Plus Plan
Estimating Quotients Task Cards
Give your students the opportunity to use rounding and compatible numbers to answer estimation questions with this set of 24 task cards.
- Plus Plan
It's a Match! – Rounding With Decimals Puzzle
Practise rounding decimals up to the thousandths place with 34 puzzle pair matching pieces.
- Plus Plan
Vertical Number Line - Rounding Worksheets
Use a vertical number line to round whole numbers to a given place with a set of rounding worksheets.