"Careful Budgeting" Decimal Division PPT Courseware 2

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"Careful Budgeting" Decimal Division PPT Courseware 2

Store A bought 5 packs for a total of 11.5 yuan.

Store B bought 6 packs for a total of 12.6 yuan.

How much is a bag of milk in store A?

11.5÷5＝2.3 (yuan)

Answer: Store A’s milk costs 2.3 yuan per bag.

How much is each bag of milk in store B? Which store has the cheapest milk?

12.6÷6＝2.1 (yuan)

Answer: Milk in store B costs 2.1 yuan per bag. The milk in store B is cheap.

practice

1. I bought 2 sticks from Xingxing Stationery Store for a total of 13.6 yuan.

I bought 3 sticks from Sunshine Stationery Store for a total of 19.5 yuan.

(1) How much is each pen at Xingxing Stationery Store? How much does each pen at Sunshine Stationery Store cost? Tell me how you calculated it.

(2) Use the vertical formula to calculate and explain the meaning of each step in the vertical formula.

(3) Tell me, which stationery store sells them cheaply? How much cheaper is each pen?

Use the vertical formula to do the math and explain the meaning of each step in the vertical formula.

20.4÷4 96.6÷42 55.8÷31

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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