Integers in context and on a grid
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Log in to continueUse positive and negative whole numbers to describe direction and position.
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A submarine is 3 m below the sea-level reference, which is labelled 0. What signed integer represents its height?
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Answer: -3 m
- Positions below the zero reference are negative.
- 3 m below is represented by −3.
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Curriculum reference
Victorian Curriculum F–10 Version 2.0
Pi Leo practice scope
Use positive and negative whole numbers to describe direction and position.
Read the official VCAA curriculum description (VC2M6N01)
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- VC2M6N01-C01Integers represent position or state relative to zero. Below sea level or a financial loss can be negative; the sign depends on the stated reference and convention. The magnitude is its non-negative distance from zero.
- VC2M6N01-C02An ordered pair gives horizontal position first and vertical position second. Left and down are negative with the usual axes; right and up are positive. Read each axis separately, including its zero.
- VC2M6N01-C03A different reference can change the sign used for the same physical position. Do not confuse distance with location or swap the horizontal and vertical coordinates. Check a verbal direction against both coordinate signs.
- VC2M6N01-C04Creating integer models in financial contexts and explaining signed grid positions.
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- D01Choose zero and a directionIntegers represent position or state relative to zero. Below sea level or a financial loss can be negative; the sign depends on the stated reference and convention. The magnitude is its non-negative distance from zero.
- D02Use both Cartesian coordinatesAn ordered pair gives horizontal position first and vertical position second. Left and down are negative with the usual axes; right and up are positive. Read each axis separately, including its zero.
- D03Check a signed descriptionA different reference can change the sign used for the same physical position. Do not confuse distance with location or swap the horizontal and vertical coordinates. Check a verbal direction against both coordinate signs.