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Biblioteka

Open Up - Grade 7 - Mathematics - Unit 2 - Lesson 1

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"Source: Open Up Resouces (Download for free at openupresources.org.)"

Pitanje 1
1.

Which one of these shapes is not like the others?

Pitanje 2
2.

In one version of a trail mix, there are 3 cups of peanuts mixed with 2 cups of raisins. In another version of trail mix, there are 4.5 cups of peanuts mixed with 3 cups of raisins. Are the ratios equivalent for the two mixes?

Pitanje 3
3.

For each object, choose an appropriate scale for a drawing that fits on a regular sheet of paper.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

1 : 100,000

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A person

1 in : 1ft

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A football field (120 yards by 53 1/3 yards)

1:1000

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The state of Washington (about 240 miles by 360 miles)

1: 10,000,000

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The floor plan of a house

1cm : 1m

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A rectangular farm (6 miles by 2 mile)

Pitanje 4
4.

Which scale is equivalent to 1 cm to 1 km?

Pitanje 5
5.

Find 3 different ratios that are equivalent to 7:3.