Math Drills
Expressions Using a Box
B-2Word Problems (Multiplication, Division)
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What this worksheet covers
- Worksheet
- Expressions Using a Box
In scenes of receiving, giving, using and sharing equally, the unseen figure is set as a box, the relation in the scene is copied straight into an expression, and that box is then found. Both the addition and subtraction shape and the multiplication and division shape appear, and in each the box stands at the very front of the expression. Decimals among the figures are what mark the word problems of this grade.
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Because the answer itself can be reached in the head, the relation using the box never gets written into the expression box and only the arithmetic goes down. Not one box anywhere in the expression means the work of copying the scene into a relation was skipped. Skip it and the multiplication and division shapes, where the figures grow awkward, bring the work to a halt.
In Multiple and Difference/Sum Word Problems the box stacks up two and three deep, and the difference or the total between them becomes the clue. Giving an unseen figure a place to stand is where this unit starts.
- Multiplication and Division4 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “Various Word Problems”, shown with their answers.
(1)There is How many kg of flour. It was divided equally into 6 bags, and each 1 bag got 0.35kg. How many kg of flour was there at first? Let the starting amount of flour be □kg, write an expression, and find the answer. Expression □÷□=□ Answer □
Answer: 6, 0.35, 2.1kg
(2)There is How many m of wire. It was cut into 6 equal lengths, and each 1 piece was 0.45m. How many m was the wire at first? Let the starting length of wire be □m, write an expression, and find the answer. Expression □÷□=□ Answer □
Answer: 6, 0.45, 2.7m
(3)flour is divided equally into 6 bags. There is 1.8kg of flour in all. How many kg of flour are in 1 bag? Let the amount of flour in 1 bag be □kg, write an expression, and find the answer. Expression □×□=□ Answer □
Answer: 6, 1.8, 0.3kg
(4)There is How many L of milk. It was divided equally into 5 cups, and each 1 cup got 0.3L. How many L of milk was there at first? Let the starting amount of milk be □L, write an expression, and find the answer. Expression □÷□=□ Answer □
Answer: 5, 0.3, 1.5L
What to do next
More worksheets in this unit
Multiple and Difference/Sum Word ProblemsMultiple and Difference/Sum Word Problems Word Problems (Multiples and Difference)
Multiple and Difference/Sum Word ProblemsMultiple and Difference/Sum Word Problems Word Problems (Multiples and Total)
Excess and Shortage ProblemsExcess and Shortage Problems Word Problems
