Questions

From Worst to Best

366 P5.DA.JM.17083191

Level 3
A list of 13 numbers has an average of 330. When two numbers are deleted from the list, the average of the remaining numbers is 313.

What is the sum of 13 numbers?
What is the bigger number between the two numbers that have been deleted given that the difference between the two numbers is 1?

3 m

Attempt

367 P5.RA.JC.17083266

Level 3
At first, Xandy, Yoko and Zach had some sweets in the ratio 5 : 3 : 4 respectively. Xandy had 190 sweets. Then he gave all his sweets to Yoko and Zach. After receiving the sweets from Xandy, Yoko and Zach had the same number of sweets. How many sweets did Yoko receive from Xandy?

4 m

Attempt

Ratio to units Equal stage after Internal transfer Unchanged total Units table

368 P5.ST.JC.18121166

Level 3
Adam has some blue stickers and red stickers.
If 100 blue stickers are added, 40% of the stickers will be red stickers.
If 50 blue stickers are removed, 70% of the stickers will be red stickers.

How many blue stickers are there?
How many red stickers are there?

4 m

Attempt

Percent of a set Percent to units Unchanged quantity Double if Units table Units equations

369 P5.AP.JM.17083117

Level 3
The figure shows a garden in the school with two ponds beside each other. The koi pond is a square pond with an area of 64 m² . The area of the rectangular turtle pond is ³₄ of the area of the koi pond. The length of the grass patch is twice the breadth of the grass patch.

What is the breadth of the turtle pond?
What is length of the grass patch?

3 m

Attempt

Square Rectangle Fraction to units Times as many

370 P5.RA.JC.17083253

Level 3
Container A and Container B had some liquid in the ratio 7 : 5. After 48 litres of liquid was transferred from A to B, the amount of liquid in Container B became 3 times as much as in Container A. How much liquid were there in the two tanks in all?

4 m

Attempt

Ratio to units Volume Times as many Internal transfer Unchanged total Units table

5 per page

10 per page

20 per page