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Listed under:  Mathematics  >  Number (Mathematics)  >  Number operations  >  Subtraction
Interactive

Pay the price

  • TLF-IDM020181

This activity gives students practice in identifying the value of coins and notes. It also reinforces the concept of exchanging money for goods. The different levels all use a shopping context and the same basic functionality. Each level takes approximately 15 minutes.

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Interactive

Sushi monster - iTunes app

  • TLF-IDM019681

The Sushi monster needs to be fed the correct sum or product. Choose to play the addition or multipliaction game. In the addition game select the two numbers that make the target sum. In the multipication game select two numbers to make the target product. This game has several levels. Free when reviewed on 12/5/2015.

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Interactive

Sites2See: Patterns and Algebra

  • TLF-IDM016224

Selected links to a range of interactive online resources for the study of patterns and algebra in Foundation to Year 6 Mathematics.

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Interactive

Summing Decimals

  • TLF-IDM016558

An interactive resource in which students learn how to add and subtract numbers that have up to two decimal places.

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Interactive

Sites2See – number for primary

  • TLF-IDM016278

Selected links to a range of interactive online resources for the study of number in Foundation to Year 6 Mathematics.

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Interactive

Wishball: hundreds

  • TLF-IDL8456

Test your understanding of place value with three-digit numbers. Start with a three-digit whole number such as 507. A spinner provides a randomly generated digit. Choose its place value and add it to (or subtract it from) your starting number. Work towards a given target number, say 539, using other digits. You can choose ...

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Interactive

Wishball challenge: hundreds

  • TLF-IDL8457

Challenge your understanding of place value in whole numbers up to 999. Receive a starting number, such as 328, and work towards turning it into a target number, such as 177, within 20 turns. Spin a random digit, choose its decimal place value and use the given operation (either addition or subtraction) on your starting ...

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Interactive

Wishball: whole numbers

  • TLF-IDL867

Test your understanding of decimal place value with whole numbers. Receive a starting number, such as 3786, and work towards turning it into a target number, such as 7664. Spin a random digit, choose its decimal place value and decide whether to add or subtract the random digit from your starting number. You can use a 'Wishball' ...

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Online

Primary mathematics: open-ended tasks

  • TLF-IDS4970

These seven learning activities, which focus on 'open-ended tasks' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers use investigations in order ...

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Interactive

The difference bar: generate easy subtractions

  • TLF-IDL111

Learn how to split up numbers in your head. Use a linear partitioning tool to help find the difference between pairs of two-digit numbers such as 25 and 34. In these examples, the difference is always less than ten. Split the numbers into parts that are easy to work with, work out each part and then solve the original calculation.

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Interactive

The take-away bar: go figure

  • TLF-IDL102

This tutorial is suitable for use with a screen reader. It explains strategies for solving subtractions in your head such as 87-39. Work through sample questions and instructions explaining how to use linear partitioning techniques. Solve subtractions by breaking them up into parts that are easy to work with, work out each ...

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