641 P5.FR.NK.22122103
Level 3
14 of the flowers in a flower shop were sunflowers, 13 of them were carnations and the remaining 60 stalks were roses.
  1. How many stalks of flowers were there in the shop?
  2. At the end of the day, the number of flowers sold was 10 more than the number of flowers left. How many stalks of flowers were sold?
4 m
Fraction of a set F Addition & subtraction Fraction to units Units method Units & part Substitution
642 P4.DE.JM.171010143
Level 3
At a book shop, Alice paid $12 for 1 book and 2 pens. The book costs $6 less than the total cost of all the pens.
  1. How much did 1 book cost?
  2. How much did 1 pen cost?
4 m
D 4 operations Money Model Comparison Units method
643 P5.FR.NK.22121605
Level 3
Jen had a sum of money. She spent an equal amount of money daily. At the end of the eighth day, she was left with 25 of her money. At the end of the tenth day, she was left with $12. How much money did she have at first?
4 m
Fraction of a whole F Addition & subtraction F Multiplication F Division Money Units method
644 P4.AN.JM.17092872
Level 3
The figure shows a piece of square paper ABCD folded at two of its corners A and C. ∠AED is 3 times as large as ∠ADE and ∠CDF is 6° smaller than ∠ADE. Find ∠ADC.
4 m
Square Angles sum of triangle Overlapping angles Model Comparison Model Times-as-many Units method
645 P4.AP.JM.17100272
Level 3
Adam used 4 similar rectangular strips to form a square. If the perimeter of the square is 64 cm, what is the perimeter of a rectangular strip of paper?
3 m
Square Rectangle Rectilinear figure Units method

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