6 P5.DE.NK.22122304
Level 3
A box containing 60 folders had a mass of 5.01 kg. A box containing 25 post-it-pads has a mass of 6.21 kg. The mass of each post-it-pad was thrice that of each folder. Find the mass of the empty box in grams.
4 m
D 4 operations Mass Unit conversion Times as many Units & parts & boxes Elimination
7 P5.DE.NK.22122305
Level 3
When an ice box is packed with 25 identical bottles of soda, it has a mass of 18.4 kg. When the ice box is packed with 30 identical packets of milo, it has a mass of 7.5 kg. A bottle of soda weighs 470 g more than a packet of milo. What is the mass of the empty ice box in kg?
4 m
D 4 operations Mass More than or less than Repeated identity Units & parts & boxes Elimination
8 P5.FR.NK.23021730
Level 3
Penelope spent 18 of her money and an additional $21 on a sweater. She spent $9 less than 38 of the remainder on a shirt. She then spent $1 less than 12 of what was left on 4 pairs of jeans. She had $23 left in the end. How much did she spend altogether?
4 m
Fraction to units Money More than or less than Remainder concept Working backwards Units & parts & boxes
9 P5.FR.JC.17083323
Level 3
Pauline bought 200 blue and red balloons for a party. The number of red balloons was 35 times as many as the number of blue balloons. Pauline used 13 times as many red balloons as blue balloons and was left with twice as many red balloons as blue balloons. How many balloons did Pauline have in the end?
5 m
Fraction of a set Fraction to units Times as many All change Units table Units & parts & boxes Elimination
10 P5.FR.JM.170830100
Level 3
Miki, Natalie and Ollie each had some beads and decided to play a game with their beads. In round 1, Miki lost 12 of her beads to Natalie. In round 2, Natalie lost 12 of her total number of beads to Ollie. In round 3, Ollie lost 12 of her total number of beads to Miki. In the end, Miki, Natalie and Ollie had 124, 88 and 68 beads respectively. How many beads did Natalie have at first?
5 m
Fraction of a set Working backwards Internal transfer Units & parts & boxes Units table

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