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Secondary 1 - Number and Algebra
Standard 7.NA.1 - Practice solving division word problems with mixed numbers.
Numbers and their operations • 1.1 primes and prime factorisation • 1.2 finding highest common factor (HCF) and lowest common multiple (LCM), squares, cubes, square roots and cube roots by prime factorisation • 1.3 negative numbers, integers, rational numbers, real numbers and their four operations • 1.4 calculations with calculator • 1.5 representation and ordering of numbers on the number line • 1.6 use of <, >, ≥, ≤ • 1.7 approximation and estimation (including rounding off numbers to a required number of decimal places or significant figures, and estimating the results of computation) • 1.8 Classify whole numbers based on their number of factors and explain why 0 and 1 are not primes. • 1.9 Discuss examples of negative numbers in the real world. • 1.10 Represent integers, rational numbers and real numbers on the number line as extension of whole numbers, fractions and decimals respectively. • 1.11 Use algebra discs or the AlgeDisc application in AlgeTools to make sense of addition, subtraction and multiplication involving negative integers and develop proficiency in the 4 operations of integers. • 1.12 Work in groups to estimate quantities (numbers and measures) in a variety of contexts, compare the estimates and share the estimation strategies. • 1.13 Compare follow-through errors arising from intermediate values that are rounded to different degrees of accuracy. • 1.14 Make estimates and check the reasonableness of answers obtained from calculators.