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The student recognises all four subtraction word-problem shapes in the chapter and sets each one out as a labelled column subtraction.
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How many are left, how much less, how much more, and what must be taken away.
The chapter uses four different shapes for subtraction word problems. The first job in every one of them is to decide which number is the minuend (the number you subtract from).
The rice godown and Mrs Gupta's salary, laid out as the book lays them out.
Problem 1. There are bags of rice in a godown. Out of these, bags were sent to different markets for sale. How many bags of rice remained in the godown?
Worksheet 8(d), a shape the book never demonstrates.
Problem. What must be subtracted from to get ?
Worksheet 8(b), worked in ordered steps.
Problem: In 2011, the population of a town was . If the number of males was , find the number of females in the town.
Identify what the larger number represents so you don't subtract the wrong way round.
Which piece of the total is already given?
State the number you are going to subtract from.
Use the labelled layout: write each quantity on its own line with a label down the left.
Provide the final number of females.
The nursery comparison and the how-much-more question.
(a) There are plants in a nursery. Its adjoining nursery has 51,2 plants. Which nursery has more plants and by how much?
(Note: The second figure is cut off at the page edge in the source text. Read the printed numeral exactly as 51,2 and do not invent the missing digits.)
(c) How much more is than ?
Ensure you use the labelled layout for both (each quantity on its own line with a label), not just the final numbers.
Provide your final answers for both (a) and (c) here.
Justify your answers by writing out the column subtractions with text labels down the left.
Optional: explain your reasoning for comparing the numbers.