# Primary 5 Ratio Level 2 Ex 5featured

P5-Ratio-L2-Ex5 Ans: 1– 4 2– $59 12u –> $354 1u –> $29.50 $29.50 × 2 = $59 3– 12 : 16 = 3 : 4 4– 3 : 7 5– 2 : 3 Breadth –> 30 – (9 × 2 ) /2 = 6 cm 6 : 9 = 2 : 3 6– $24

2# Primary 3 February Review 3featured

P3-Feb-Review 3 Ans: 1– 2 2– 4 3– 2 4– 2 1233 + 3870 = 5103 5103 – 1789 = 3314 5– 3 = 68 ÷ 4 = 17 159 + 17 = 176 6– 2 7– 4 8– 1 9– 1 709 – 163 = 546 546 ÷ 7 = 78 bags

1# Primary 5 CA1 Revision 11featured

P5-CA1-Ex11 Ans: 1– 3 000 303 2– 8 3– 49 1/2 4– 2500 5– 4 5/12 6– 18 7– 2 31/48 8– 2 19/24 kg 9– $104 Cost of 4 pens –> 4 × $12 – $48 $48 + $56 = $104

0# Primary 3 January Review 5featured

P3-Jan-Review 5 Ans: 1– 3 2– 2 3– 2 [Option 1 is the smallest value but it is an odd number] 4– 2 The smallest possible even number that can be formed is 3470. 5– 1 482 – 253 = 229 blue marbles 253 -229 = 24 more black marbles

1# Primary 4 CA1 Revision 4featured

P4-CA1-Ex 4 Ans: 1– 2 2– 4 3– 4 4– 4 5– 4 6– 2 7– 4 3000 + 78 230 = 81 230 = 75 thousands, 62 hundreds, 30 ones

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