Converting between pounds and kilograms

A patient comes into a medical office and says he weighs 173 lbs. How many kg does he weigh?

• 62.3 kg

• 78.6 kg

• 380.6 kg

• 247.1 kg

Answer explanation

173 divided by 2.2 gives you 78.6. The actual number is 78.63636363.....but we only want to take our answer to the tenths place so he weighs 78.6 kg.

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CCSS.6.RP.A.3D

117 lbs = ___________ kg?

• 49.1 kg

• 257.4 kg

• 59.2 kg

• 53.1 kg

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475 lbs = ____________ kg?

• 215.9 kg

• 200.0 kg

• 375.4 kg

• 198.5 kg

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What do I do to convert pounds to kilograms?

• Divide by 2.2

• Multiply by 2.2

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You are traveling in Europe and become ill. You go to a medical clinic and you are told you weigh 65 kg. How many lbs is that?

• 178 lbs

• 29.5 lbs

• 143 lbs

• 150.1 lbs

Answer explanation

To convert from kg to lbs you would multiply by 2.2. Therefore, 65 X 2.2 gives us 143. The weight would equal 143 pounds.

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CCSS.6.RP.A.3D

184 kg = ____________ lbs?

• 404.8 lbs

• 360.2 lbs

• 480.1 lbs

• 424.1 lbs

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536 kg = ____________ lbs?

• 1,000 lbs

• 673.2 lbs

• 1,854.3 lbs

• 1,179.2 lbs

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How many lbs are in 45 kg?

• 99 lbs

• 108 lbs

• 67 lbs

• 450 lbs

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If I'm trying to end up with pounds do I multiply or divide?

• Multiply

• Divide

Answer explanation

If you are trying to express a value in pounds you will multiply the number of kg.

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CCSS.6.RP.A.3D

If you are trying to express a value in kg that began as pounds do I multiply or divide?

• Multiply

• Divide

Answer explanation

If you are trying to express a value in kg you will divide the number of pounds.

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CCSS.6.RP.A.3D