converting percents fractions and decimals

How do you change .45 to a percent?

• Move the decimal point 3 places to the right

• Move the decimal point 2 places to the left

• Move the decimal point 2 places to the right

• Move the decimal point 3 places to the left

Answer explanation

To convert .45 to a percent, move the decimal point 2 places to the right. This changes .45 to 45%, which is the correct way to express it as a percentage.

Tags

CCSS.5.NBT.A.2

To rewrite a percent as a fraction:  Rewrite the percent using a ________ of 100.

• numerator

• denominator

• fraction

• 1

Answer explanation

To rewrite a percent as a fraction, you express it as a ratio over 100. The percent value becomes the numerator, while 100 is the denominator. Therefore, the correct choice is 'denominator'.

When converting a percent to a decimal move the decimal...

• 2 places to the right

• 2 places to the left

• leave it alone

• none of the above

Answer explanation

To convert a percent to a decimal, you move the decimal point 2 places to the left. For example, 25% becomes 0.25.

When converting decimals to percents, move the decimal..

• 2 places to the right

• 2 places to the left

• leave it only

• both 1 & 2

Answer explanation

To convert a decimal to a percent, you move the decimal 2 places to the right. For example, 0.75 becomes 75%. Therefore, the correct answer is '2 places to the right'.

Tags

CCSS.5.NBT.A.2

What does percent mean?

•  per 100

• out of 100

• both 1 & 2

• none of the above

Answer explanation

The term 'percent' means 'per 100' or 'out of 100'. Therefore, the correct answer is 'both 1 & 2', as both definitions accurately describe what percent represents.

Tags

CCSS.7.RP.A.1

What number goes in the box to make the equation true?

• 3

• 30

• 130

• 300

Answer explanation

To solve the equation, we need to find a number that satisfies it. Testing the options, 30 fits perfectly, making the equation true. Therefore, the correct answer is 30.

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.3

How can you change a FRACTION into a DECIMAL?

• Divide the numerator by the denominator.

• Multiply the numerator by the denominator.

• Add the numerator and denominator together.

• Subtract the numerator from the denominator.

Answer explanation

To convert a fraction to a decimal, you divide the numerator (top number) by the denominator (bottom number). This gives you the decimal equivalent of the fraction.

Tags

CCSS.5.NF.B.3

How can you change a DECIMAL into a FRACTION?

• You can't do this!

• Take a look at the last digit and where it is located in relation to its place value. Example: 0.7 is 7/10 because the 7 is in the 10th place.

• Always use "100" as your denominator no mater what.

• Multiply and then divide and then subtract and then add...

Answer explanation

To convert a decimal to a fraction, identify the last digit's place value. For example, in 0.7, the 7 is in the tenths place, making it 7/10. This method accurately represents the decimal as a fraction.

Tags

CCSS.4.NF.C.6

44% can be written as the following decimal and fraction

• 0.44 and 44/10 

• 0.44 and 44/100

• 0.4 and 44/100

• 0.4 and 44/10

Answer explanation

44% is equivalent to 0.44 in decimal form and can be expressed as 44/100 in fraction form, since percent means per hundred. Thus, the correct answer is 0.44 and 44/100.

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

8% can be written as the following decimal and fraction

• 0.8, 80/100

• 0.8, 8/10

• 0.08, 8/100

Answer explanation

8% means 8 out of 100, which is 8/100. To convert 8% to a decimal, divide 8 by 100, resulting in 0.08. Therefore, the correct answer is 0.08 and 8/100.

Tags

CCSS.4.NF.C.6