Scale Factors Worksheets - Free Printable

Let’s solve each problem step by step. Remember:
Scale factor = new length ÷ original length

We’ll go row by row, left to right.

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Row 1:

Left box:
Original side = 6.5 cm → New side = 26 cm
Scale factor = 26 ÷ 6.5 = 4

Right box:
Original side = 0.35 m → New side = 0.7 m
Scale factor = 0.7 ÷ 0.35 = 2

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Row 2:

Left box:
Original side = 1.5 in → New side = 15 in
Scale factor = 15 ÷ 1.5 = 10

Right box:
Original side = 3 ft → New side = 90 ft
Scale factor = 90 ÷ 3 = 30

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Row 3:

Left box:
Original side = 2.8 cm → New side = 8.4 cm
Scale factor = 8.4 ÷ 2.8 = 3

Right box:
Original side = 0.4 m → New side = 0.8 m
Scale factor = 0.8 ÷ 0.4 = 2

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Row 4:

Left box:
Original side = 12 in → New side = 36 in
Scale factor = 36 ÷ 12 = 3

Right box:
Original side = 0.75 ft → New side = 2.25 ft
Scale factor = 2.25 ÷ 0.75 = 3

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Row 5:

Left box:
Original side = 1 mm → New side = 5 mm
Scale factor = 5 ÷ 1 = 5

Right box:
Original side = 16 cm → New side = 8 cm
Scale factor = 8 ÷ 16 = 0.5

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Final Answer:
Row 1: 4, 2
Row 2: 10, 30
Row 3: 3, 2
Row 4: 3, 3
Row 5: 5, 0.5