Questions

From Worst to Best

651 P5.FR.NK.22122307

Level
Box A and Box B are identical. ⁷₈ of Box A and ³₅ of Box B are filled with sand. The mass of Box B with its contents is ⁷₉ the mass of Box A with its contents. The total mass of the two boxes with their contents is 528 kg. Find the mass of an empty box.

4 m

Attempt

652 P4.FR.JM.17103180

Level 3
There are a total of 400 vanilla, strawberry and chocolate lollipops in a box. ¹₅ of them are vanilla. There are 70 more strawberry than chocolate lollipops. How many chocolate lollipops are there?

4 m

Attempt

Fraction of a set F Multiplication More than or less than Units method

653 P5.PC.NK.22123017

Level 3
Natalie sold lavenders and tulips in her shop on Mother's Day. 70% of the flowers she sold on that day were lavenders and she sold 81 tulips.

What was the total number of flowers sold?
10% of the flowers in the shop were sold on that day. 10% of the flowers left were tulips. How many tulips were left?

4 m

Attempt

Percent to units Percent of different bases F Mutliplication Branching All change Units method

654 P4.AP.JM.17100246

Level 3
A rectangular floor tile has a pattern formed by 3 identical small rectangles as shown. The length of the tile is 18 cm. What is the floor space we can cover with 50 such tiles?

3 m

Attempt

Rectangle Tiling Units method

655 P4.FR.JM.17103185

Level 3
Lucy paid a total of $550 for a brooch, a necklace and a watch. She spent ³₅ of her money on the brooch. The necklace cost 3 times as much as the watch. How much did she pay for the necklace?

4 m

Attempt

Fraction of a whole F Multiplication Money Times as many Units method

656 P6.DA.JC.22051102

Level 2 PSLE
The pie chart shows how Zoe spent her money. The amount of money spent is also represented by the bar graph.

What percentage of her money did Zoe spend on food?
What fraction of her money did Zoe spend on books?
How much of her money was spent on transport?

5 m

Attempt

Bar graph Pie chart Fraction of a whole F Simplest form F Multiplication Percent of a whole Money Units method

657 P5.PC.JM.17083185

Level 3
If Kelly sells a hand phone at a discount of 20% of the usual price, she will make a profit of $40. If she sells it at a discount of 40%, she will incur a loss of $45. Find the price of the hand phone.

4 m

Video Attempt

Discount Profit & loss Double if Units method

658 P4.WN.JM.17102337

Level 3
There is a 4-digit number. The digit in the hundreds place is thrice the digit in the ones place. The digit in the thousands place is the smallest even number. The sum of all the digits is 21. What is the number?

3 m

Attempt

W Place values Odd & even W Addition & subtraction Min-max Model Times-as-many Units method

659 P4.AP.JM.17100245

Level 3
A rectangular floor tile has a pattern formed by 3 identical small rectangles as shown. The length of the tile is 18 cm. If we want to lay them side by side as shown to occupy a length of 324 cm, how many tiles do we need?