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Adding and subtracting measurements of mass

Everyday problems are posed that are solved by adding or subtracting measurements of mass

Accuracy and error when measuring mass

Practises estimation and approximation in measuring mass, as well as calculation and the evaluation of errors made in each case

Multiplication and division of a measurement of mass by a natural number

Everyday problems are posed that are solved by multiplying or dividing measurements of mass by a natural number.

Budgets

Practises estimation and approximation with amounts of money, as well as calculation and the evaluation of errors made in each case.

Currencies: Conversion between euros, dollars and pounds sterling.

Practice converting between euros, dollars and pounds sterling, using approximate calculation, rounding and a calculator.

Accounting

To practise simple calculation with amounts of money, introducing accounting concepts such as income, expense and balance.

Problems and curious facts

Poses problems and situations in which estimates must be made of measurement taking, measurements and calculations using temperature measurements.

Maximum, minimum and mean temperatures.

Based on temperature data tables, it practises ordering and the calculation of mean temperatures.

Changes in temperature

Presents exercises involving the addition and subtraction of temperature measurements.

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