21 P4.ST.JC.18120969
Level 2
The mass of a box with 8 marbles is 12.35 kg.
Each marble weighs 1.2 kg.
  1. What is the mass of the empty box?
  2. What is the mass of 3 empty boxes?
3 m
D 4 operations Model Part-whole Units method
22 P4.AP.NK.23050801
Level 1
A rectangle has a breadth of 12 cm. If the length of the rectangle is 3 times its breadth, what is its perimeter?
2 m
Rectangle Times as many Units method
23 P4.ST.JC.18120970
Level 2
The mass of a box with 4 marbles is 3.77 kg.
The mass of the empty box is 2.57 kg.
  1. What is the mass of each marble?
  2. What is the mass of a box with 7 marbles?
3 m
D 4 operations Model Part-whole Units method
24 P4.ST.JC.18120971
Level 1
Adam saves $8.70.
He saves 3 times as much as Bryan.
How much more does Adam save than Bryan?
2 m
D 4 operations More than or less than Model Times-as-many Units method
25 P4.ST.JC.18120972
Level 1
Adam saves $8.70.
He saves 3 times as much as Bryan.
How much does Adam save more than Bryan?
2 m
D Multiplication D Division More than or less than Model Times-as-many Units method

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