use a calculator to find the • square of a number. 5.6 Square roots recognise the square roots of • square numbers up to 225 use a calculator to find the • square roots of any number. 5.7 Basic calculations on a use some of the important • calculator keys when working on a calculator. Week 7 6: Number: Approximations 6.1 Rounding whole numbers round a whole number. • 20 21 6.2 Rounding decimals round decimal numbers to a – • given accuracy. 6.3 Approximating calculations identify significant figures • round numbers to a given • number of significant figures use approximation to estimate • answers and calculations round a calculation at the end • of a problem, to give what is considered to be a sensible answer. 3 7: Number: Decimals and 7.1 Calculating with decimals multiply and divide with Week • 22 fractions decimals. Week 4 Review and revision 2 23 Week 24 Week 7 7.2 Fractions 7: Number: and reciprocals Decimals and recognise different types of • fractions fraction, reciprocal, terminating 25 26 – decimal and recurring decimal
• use a calculator to find the square of a number. 5.6 Square roots • recognise the square roots of square numbers up to 225 • use a calculator to find the square roots of any number. 5.7 Basic calculations on a calculator • use some of the important keys when working on a calculator. Week 20 – 21 7 6: Number: Approximations 6.1 Rounding whole numbers • round a whole number. 6.2 Rounding decimals • round decimal numbers to a given accuracy. 6.3 Approximating calculations • identify significant figures • round numbers to a given number of significant figures • use approximation to estimate answers and calculations • round a calculation at the end of a problem, to give what is considered to be a sensible answer. Week 22 3 7: Number: Decimals and fractions 7.1 Calculating with decimals • multiply and divide with decimals. Week 23 4 Review and revision 2 Week 24 Week 25 – 26 7 7: Number: Decimals and fractions 7.2 Fractions and reciprocals • recognise different types of fraction, reciprocal, terminating decimal and recurring decimal