- Mathematics
- Year 7
Measurement
approx. 13 hrs
3 topics
29 concepts
Develop confidence and competence in the key skills for Measurement and establish a solid foundation for high school Mathematics.
approx. 13 hrs
3 topics
29 concepts
Develop confidence and competence in the key skills for Measurement and establish a solid foundation for high school Mathematics.
The Year 7 Measurement program is aligned with the Measurement and Geometry strand of the NSW Mathematics K-10 Syllabus. NSW students studying Year 7 Measurement explore international time zones including 12 and 24 hour time, calculate the perimeter of a variety of 2D shapes (trapezia, rectangles, circles), convert units of length and name the features of circles.
This learning program is made up of the following 3 topics, broken down into 29 concepts.
Converting fractions or decimals to hours, minutes and seconds
Compare times using Australian time zones
Add and subtract time with a calculator, including by using the 'degrees, minutes, seconds' button
Round answers to time calculations to the nearest minute or hour
Solve a variety of problems involving duration
Converting units of time
Add and subtract time mentally using bridging strategies
Solve problems involving international time zones
Solve problems involving circles and parts of circles, giving answers in terms of pi, using the calculator or using approximations of pi
Identify and name parts of a circle and related lines, including arc, tangent, chord, sector and segment
Investigate pi as the ratio of the circumference to the diameter of a circle
Develop and use the formulas to find the circumferences of circles in terms of the diameter or radius
Find the perimeters of composite figures including sectors
Find the diameter and/or radius of a circle, given its circumference
Use an approximation of pi to find the circumference of a circle
Find the perimeters of quadrants and semicircles
Compare perimeters of rectangles with the same area
Find the dimensions of a rectangle, given its perimeter and the length of one side
Use formulae to find the arc length of a sector
Find the perimeter of sectors including quadrants and semicircles
Find the perimeters of a range of plane shapes, including composite figures
Use the areas of familiar surfaces to assist with the estimation of larger areas, eg the areas of courts and fields for sport
Compare areas of rectangles with the same perimeter
Choose an appropriate unit to measure the areas of different shapes and surfaces, eg floor space, fields
Develop and use the formulas to find the areas of parallelograms
Develop and use the formulas to find the areas of rectangles and squares
Develop and use the formulas to find the areas of triangles
Find the areas of simple composite figures that may be dissected into rectangles, squares, parallelograms and triangles
Convert between metric units of area
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