Estimating and rounding decimals

In this lesson, students draw on prior knowledge of rounding whole numbers to develop their understanding and fluency when rounding decimals and are encouraged to reason and problem-solve through a variety of contextual activities. Students will also develop an appreciation of the role of estimation in mathematics and science.

Additional details
Year level(s)	Year 7
Audience	Teacher
Purpose	Teaching resource
Format	Web page
Teaching strategies and pedagogical approaches	Classroom talks, Questioning, Differentiated teaching, Collaborative learning, Explicit teaching
Keywords	Maths Hub lesson plan
Curriculum alignment
Curriculum connections	Science, Critical and creative thinking
Strand and focus	Number
Topics	Mathematical modelling, Estimation
AC: Mathematics (V9.0) content descriptions	AC9M7N05 Round decimals to a given accuracy appropriate to the context and use appropriate rounding and estimation to check the reasonableness of solutions AC9M7N06 Use the 4 operations with positive rational numbers including fractions, decimals and percentages to solve problems using efficient calculation strategies AC9M7N09 Use mathematical modelling to solve practical problems involving rational numbers and percentages, including financial contexts; formulate problems, choosing representations and efficient calculation strategies, using digital tools as appropriate; interpret and communicate solutions in terms of the situation, justifying choices made about the representation
Numeracy progression	Number and place value (P9)
Copyright details
Organisation	Commonwealth of Australia
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