teaching resource

Rounding Numbers – Match-up Activity

  • Updated

    Updated:  07 Sep 2023

Practise rounding decimals and whole numbers with this match-up activity.

  • Editable

    Editable:  Google Slides

  • Non-Editable

    Non-Editable:  PDF

  • Pages

    Pages:  12 Pages

  • Curriculum
  • Years

    Years:  5 - 7

Curriculum

  • VC2M5N08

    Check and explain the reasonableness of solutions to problems, including financial contexts using estimation strategies appropriate to the context <ul> <li>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</li> <li>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</li> <li>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</li> </ul>

  • VC2M6N04

    Apply knowledge of place value to add and subtract decimals, using digital tools where appropriate; use estimation and rounding to check the reasonableness of answers <ul> <li>applying estimation strategies to addition and subtraction of decimals to at least thousandths before calculating answers or when a situation requires just an estimation</li> <li>applying whole-number strategies; for example, using basic facts, place value, partitioning and the inverse relationship between addition and subtraction, and properties of operations to develop meaningful mental strategies for addition and subtraction of decimal numbers to at least hundredths</li> <li>working additively with linear measurements expressed as decimals up to 2 and 3 decimal places; for example, calculating how far off the world record the athletes were at the last Olympic Games in the women’s long jump or shot-put and comparing school records to the Olympic records</li> <li>deciding to use a calculator as a calculation strategy for solving additive problems involving decimals that vary in their number of decimal places beyond hundredths; for example, 1.0 − 0.0035 or 2.345 + 1.4999</li> </ul>

  • Rounding Numbers – Match-up Activity teaching resource
teaching resource

Rounding Numbers – Match-up Activity

  • Updated

    Updated:  07 Sep 2023

Practise rounding decimals and whole numbers with this match-up activity.

  • Editable

    Editable:  Google Slides

  • Non-Editable

    Non-Editable:  PDF

  • Pages

    Pages:  12 Pages

  • Curriculum
  • Years

    Years:  5 - 7

Practise rounding decimals and whole numbers with this match-up activity.

Practise Rounding Numbers with a Match-Up Activity!

Do your students need additional practice with rounding? Perhaps they understand the concept of rounding but need extra practice with solving expressions and word problems with rounding. If so, Teach Starter has a resource that combines three different rounding skills. Students will have fun completing this activity in a math group while strengthening their place value and rounding skills.

To play, students complete the problems on the question cards and find a matching answer card. Students will record matches on their recording sheets.

Through this activity, students will show they can round to specific place values, solve expressions and solve word problems using rounding.

Tips for Differentiation + Scaffolding 

A team of dedicated, experienced educators created this resource to support your maths lessons.

In addition to individual student work time, use this rounding activity to enhance learning through guided maths groups, whole class lessons, or remote learning assignments.

If you have a mixture of above and below-level learners, check out these suggestions for keeping students on track with the concepts:

🆘 Support Struggling Students

Break the matching activity into small chunks for students who need additional support. Have students work on one type of problem first rather than all 3 types. For example, students can practise rounding whole numbers before moving on to expressions and/or problem-solving.

➕ Challenge Fast Finishers

Extend this task by setting up a true/false gallery walk where students determine which cards are accurately matched. Students can also use the cards to play a memory-matching game. In addition, challenge students to create their own matches to make a memory game.

Easily Prepare This Resource for Your Students

Use the dropdown icon on the Download button to choose between the colour PDF, black and white PDF, or editable Google Slides versions of this resource. A recording sheet and answer key are also included with this download.

Print on cardstock for added durability and longevity. Place all pieces in a folder or large envelope for easy access.

Sustainability Tip: Print a few recording sheets on cardstock and slip them into write-and-wipe sleeves. Students can record their answers with a whiteboard marker, then erase and reuse them.

This resource was created by Lorin Davies, a Teach Starter Collaborator.

Curriculum

  • VC2M5N08

    Check and explain the reasonableness of solutions to problems, including financial contexts using estimation strategies appropriate to the context <ul> <li>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</li> <li>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</li> <li>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</li> </ul>

  • VC2M6N04

    Apply knowledge of place value to add and subtract decimals, using digital tools where appropriate; use estimation and rounding to check the reasonableness of answers <ul> <li>applying estimation strategies to addition and subtraction of decimals to at least thousandths before calculating answers or when a situation requires just an estimation</li> <li>applying whole-number strategies; for example, using basic facts, place value, partitioning and the inverse relationship between addition and subtraction, and properties of operations to develop meaningful mental strategies for addition and subtraction of decimal numbers to at least hundredths</li> <li>working additively with linear measurements expressed as decimals up to 2 and 3 decimal places; for example, calculating how far off the world record the athletes were at the last Olympic Games in the women’s long jump or shot-put and comparing school records to the Olympic records</li> <li>deciding to use a calculator as a calculation strategy for solving additive problems involving decimals that vary in their number of decimal places beyond hundredths; for example, 1.0 − 0.0035 or 2.345 + 1.4999</li> </ul>

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