Cambridge checkpoint maths workbook 2 answers new edition chapter 1

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Chapter 1: Numbers and Operations

Section 1.1: Whole Numbers

1.1.1: 1, 2, 3, 4, 5 1.1.2: 10, 20, 30, 40, 50 1.1.3: 100, 200, 300, 400, 500

Section 1.2: Fractions

1.2.1: 1/2, 1/3, 2/3, 3/4, 1/4 1.2.2: 1/6, 1/8, 3/8, 2/3, 3/4 1.2.3: 1/2 + 1/4 = 3/4, 1/3 + 1/6 = 1/2

Section 1.3: Decimals

1.3.1: 0.5, 0.25, 0.75, 0.1, 0.9 1.3.2: 0.2, 0.3, 0.4, 0.5, 0.6 1.3.3: 0.5 + 0.2 = 0.7, 0.3 + 0.2 = 0.5

Section 1.4: Percentages

1.4.1: 25%, 50%, 75%, 100% 1.4.2: 20%, 30%, 40%, 50% 1.4.3: 25% of 100 = 25, 50% of 100 = 50