151 P5.RD.JM.17083213
Level 3
50% of Amin's money was $350 less than Dave's money. When Amin spent 45% of her money and Dave spent 60% of his money, they had the same amount of money left. Find the amount of money Dave had at first.
4 m
Percent of a whole Percent to units Percent of different bases Money More than or less then Equal stage after Common numerator All change Units table
152 P4.AP.JM.17100236
Level 3
Figure A is a square with an area of 49 cm2. Figure B is a rectangle with breadth of 2 cm. Given that both figures have the same perimeter, find the area of Figure B.
3 m
Square Square & square root Rectangle Equal stage
153 P5.RA.NK.22123018
Level 3
The ratio of the number of $2-notes to $10-notes in Dana's bag was 1 : 3. Dana exchanged 14 pieces of $10-notes for $2-notes. She then had an equal number of $2-notes and $10-notes. What was the total value of $2-notes and $10-notes in Dana's bag at first?
4 m
Ratio to units Money Equal stage after Number x value Proportional exchange Units equations Units table
154 P4.WN.NK.22120620
Level 2
5 pomegranates cost as much as 8 mangoes. Each pomegranate costs 40 cents. How much is each mango in cents?
2 m
W Multiplication & division Money Equal stage Model Part-whole
155 P5.RA.NK.23021760
Level 3
Shiyun, Kimberly and Yoko had jelly beans in the ratio of 8 : 4 : 3. After Shiyun gave 6 jelly beans to Kimberly and Yoko, the three of them had the same number of jelly beans. Find the total number of jelly beans the children had.
4 m
Ratio to units Equal stage after All change Units table
156 P5.DA.NK.23052626
Level 3
Kylie bought some Geography books at $17 each. She also bought an equal number of History books at a different price. The average price of one Geography and one History book was $10. Kylie paid $70 more for the Geography books than the History books.
  1. What was the cost of one History book?
  2. How many Geography books did Kylie buy?
3 m
2 Averages Average with unknown quantity Money Number x value More than or less than Equal stage Units table
157 P5.RA.NK.22122919
Level 3
Last Saturday, Jack withdrew an equal number of $10-notes and $50-notes from the bank. After spending 58 pieces of $10-notes and 10 pieces of $50-notes, the ratio of the remaining $10-notes to $50-notes became 2 : 5.
  1. How many $10-notes had he left?
  2. What was the total value of the notes which Jack withdrew from the bank?
4 m
Ratio to units Money Equal stage before All change Sets Units equations Units table
158 P6.RD.TL.16010126
Level 3
Queenie baked 390 cookies and cupcakes. After she gave 0.3 of the cookies and 0.4 of the cupcakes to her friends, she was left with an equal number of cookies and cupcakes. How many cookies had she left?
4 m
Decimal to units Equal stage after All change Units table Units manipulation
159 P4.AP.JM.17100234
Level 3
The rectangle and square have the same area. The length of the rectangle is 4 times its breadth. What is the length of one side of the square?
3 m
Length Square Rectangle Square & square root Equal stage
160 P5.RD.JM.17083189
Level 3
The number of red grapes is the same as the number of green grapes in a bag. After removing 14 of the grapes, there were 36 red grapes and 54 green grapes left in the bag. Then another 20 red grapes and 20 green grapes were removed and there were 512 of the grapes left in the end. How many red grapes were removed altogether?
4 m
Fraction of a set Equal stage before Working backwards Units table

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