81 P4.AP.JM.17100194
Level 3
Brandon walked around a rectangular field from W to X to Y and to Z. He covered a distance of 560 m. The length of the field is thrice the breadth. If it cost $5 to put up a fence of 1 m, how much would it cost to fence around the whole field?
3 m
Rectangle Money Model Times-as-many Units method
82 P4.DE.JM.171010122
Level 3
The table shows the mass of fruits sold by a grocer in a day. If the grocer sold four times as much lemon as banana, how many kilograms of lemon were sold?
3 m
D 4 operations Mass Table Model Times-as-many Units method
83 P4.AP.JM.17100237
Level 3
The length of a rectangle is 4 times its breadth. The area is 64 cm2, find its perimeter.
3 m
Rectangle Model Times-as-many Units method
84 P4.AP.JM.17100240
Level 3
The area of a rectangle is 72 cm2. Given that its length is twice its breadth, find its perimeter.
3 m
Rectangle Model Times-as-many Units method
85 P4.WN.JM.17102314
Level 2
Ken has some marbles. He has twice as many marbles as his brother. Given that they have 816 marbles altogether, how many marbles does his brother have?
2 m
Model Times-as-many Units method
86 P4.AN.NK.23041231
Level 3
The figure is made up of a square ABCD and a rectangle DEFG. ∠CDG = 69°. ∠x is twice of ∠y. Find ∠x.
3 m
Right angle Square Rectangle Overlapping angles Model Times-as-many Units method
87 P4.WN.JM.17102315
Level 2
Machine A produces thrice as many buns as Machine B in a day. Together, they produce 9408 buns in a day. How many buns can Machine B produce in a day?
2 m
Model Times-as-many Units method
88 P4.WN.JM.17102316
Level 2
In a school, there are 540 boys. There are thrice as many boys as girls. What is the enrolment of the school?
2 m
Model Times-as-many Units method
89 P4.AN.JM.17092845
Level 3
The figure shows a piece of rectangular paper ABCD folded at one of its corners A. ∠AEB is 4 times as large as ∠AEF. Find ∠AEB.
3 m
Rectangle Angles on a straight line Overlapping angles Folded figure Model Times-as-many Units method
90 P3.DE.JM.17102978
Level 2
Jim saved some twenty-cent coins and fifty-cent coins in his piggy bank. The number of twenty-cent coins he saved is twice the number of fifty-cent coins. If he had 5 fifty-cent coins. how much was his savings in the piggy bank? (Give the answer in dollars.)
4 m
D 4 operations Money Unit conversion Model Times-as-many
91 P3.ME.JM.17102588
Level 3
Jelly and Joana started walking at 5.30 a.m. Jelly walked for 30 min while Joana walked twice as long as Jelly. At what time did Joana finish her walk?
4 m
am pm Duration Start end time Model Times-as-many
92 P4.AP.JM.17100178
Level 3
The figure is made up of rectangle RSTU and squares PQYX and WYUV. The length of PQ is equal to the length of RS. The length of PX is twice the length of UV. Find the length of QR.
3 m
Length Square Rectangle Rectilinear figure Composite figure perimeter Equal stage Model Times-as-many Units method
93 P3.AP.JC.18012102
Level 3
The length of a rectangle is thrice its breadth. Its perimeter is 80 cm. Find
  1. the breadth of the rectangle
  2. the area of the rectangle
4 m
Rectangle Model Times-as-many Units method
94 P3.AP.JM.17102371
Level 3
The length of a rectangular field was twice its breadth. Joe jogged 5 rounds around the field. What was the total distance Joe jogged? (Give your answer in km and m.)
4 m
Length Rectangle Unit conversion Model Times-as-many
95 P4.WN.JM.17102327
Level 3
There are four times as many red shirts as pink shirts in a sale. If there are 600 red and pink shirts altogether,
  1. how many red shirts are there?
  2. how many more red shirts than pink shirts?
3 m
W 4 operations Model Times-as-many Units method
96 P4.DE.JM.171010126
Level 3
Box A is 4 times as heavy as Box B. Box C is 6.74 kg heavier than Box B. The total mass of Box A and B is 68 kg.
  1. What is the mass of Box B?
  2. What is the mass of Box C?
4 m
D Addition & subtraction Mass Model Comparison Model Times-as-many Units method
97 P3.WN.JM.17110645
Level 1
Thomas has 140 toy cars. Simran had 3 times as many toy cars as Thomas. How many toy cars does Simran have?
2 m
W Multiplication & division Model Times-as-many
98 P3.WN.JM.17110647
Level 1
Mandy bought 7 pens. Halim bought 5 times as many pens as Mandy. How many pens did Halim buy?
2 m
W Multiplication & division Model Times-as-many
99 P3.WN.JM.17110648
Level 1
Candice has 875 sweets and 65 chocolates. Dexter has twice as many sweets and chocolates as Candice. How many sweets and chocolates does Dexter have respectively?
2 m
W Multiplication & division Model Times-as-many
100 P4.DE.JC.17100402
Level 3
Yoshi prepared some fruit punch for his party. For the fruit punch, he put in 1.23 ℓ of syrup and 4 times as much water as syrup. He then poured the fruit punch equally into 8 glasses. How much fruit punch were there in each glass? Round off your answer to 2 decimal places.
4 m
D Multiplication D Division D Round off Volume Model Times-as-many

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