The ratio of Nabila’s height to Ali’s height to Jasmine’s height is 6 : 7 : 10. Nabila’s height is ________of the height of the three children, Siti had some red marbles and some blue marbles. The number of red marbles was 1/5 of the number of blue marbles. Her sister gave her 20 more marbles of each colour. The number of blue marbles was 5/3 of the number of red marbles. How many marbles did Siti have altogether at first?, Mervin bought a bag at a discount. He paid $126 for it. This was 90% of the usual price. What was the usual price of the bag?, There was some flour in a confectionery shop. After 52 kg flour was used to bake some cakes, 35% of the flour was left. How much flour was there in the confectionery shop at first?, The original length of the spring was 4 cm. It was stretched to 6.5 cm. Find the percentage increase of the length of the spring, On Monday, Mrs. Lee bought 24 kg of fish and Mrs. Kim bought 3/4 as much fish as Mrs.Lee. On Tuesday the mass of the fish Mrs.Kim bought increased by 35%. Find the mass of the fish bought on Tuesday., he mass of a puppy had increased by 25% of its mass at birth to 5 kg at Week 4. By Week 8, the mass of the puppy increased further by 60% of its mass at Week 4.What was the mass of the puppy at birth?hat was the mass of the puppy at Week 8 after birth?, he marbles in a box are in three colours, red, blue and green. 20% of the marbles are green. 30% of the remaining marbles are blue. There are 168 red marbles in the box,ow many marbles are there in the box altogether?, In September, Mr Tan’s electricity bill was $65. Mr Baker’s electricity bill was 6/5 of Mr Tan’s electricity bill. In October, Mr Baker’s electricity bill decreased by 30%. Find the decrease in Mr Baker’s electricity bill from September to October, Gary’s monthly savings was 3/5 of Lucas’ monthly savings last year. Gary and Lucas saved a total of $1440 per month last year. This year, Gary’s monthly savings increased to $702. What was the percentage increase in Gary’s monthly savings?, The figure is made up of a semi-circle and triangle. The ratio of the height of the triangle and the radius of the circle is 3:2. Find the area of the figure. ∏ = 3.14, Find the area and perimeter of a semi-circle that has diameter of 56 cm., Find the area and perimeter of the figure, Find the perimeter of the figure, PQRS is a trapezium. Which of the following statements about the angles is true? (b + c = 180o), (a = j), (e = g) ,(b + g + h = 180o), AB and CD are on the straight line. Find ∠AOD, PQR is a triangle. PS = SQ, ∠QRT = 49o and ∠SPQ = 36o. Find ∠PUT, The figure is formed using five straight lines. Find ∠ACE., Name all the radii and all diameters, The pie chart shows the favourite school holiday camps of 800 pupils. The number of pupils who chose art, music and drama camps as their favourite were in the ratio 2 : 1 : 5 respectively.(a)What percentage of the pupils chose art, music or drama camps as their favourite?(b)How many pupils chose art, music or drama camps as their favourite?(c)How many pupils chose music camp as their favourite?, The pie chart shows the types of fruits sold by a stall in a week. A total of 840 fruits were sold. The number of apples sold was 4 times the number of lemons sold., The pie chart shows the number of vehicles parked in the parking areas. Use the pie chart to answer the questions. Find the percentage of the cars that are vans. There are 27 buses. Find the number of car, The pie chart shows some of the students’ favourite sports. Find the fraction of students who likes basketball. There are 20 students who likes swimming. Find the number of students who likes soccer. ,

ADDITIONAL REVIEW MATHEMATICS PRIMARY 6 PART 2

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