Q2.W4 Dividing Decimals, Squaring and Conversions

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, \( \frac{45}{100} = 45\% \).

Front

How do you solve for x in the equation x + 30 = 75?

Back

To solve for x, subtract 30 from both sides: \( x = 75 - 30 = 45 \).

Tags

CCSS.6.EE.B.7

Front

What is the process for adding fractions with the same denominator?

Back

To add fractions with the same denominator, add the numerators and keep the denominator the same. For example, \( \frac{3}{8} + \frac{5}{8} = \frac{3+5}{8} = \frac{8}{8} = 1 \).

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over 1 and multiply the numerator and denominator by 10 for each digit after the decimal point. For example, 0.25 = \( \frac{25}{100} = \frac{1}{4} \).

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the numeral form of the number 'fifty-three and twenty-five hundredths'?

Back

The numeral form is 53.25.

Tags

CCSS.5.NBT.A.3A

Front

How do you find the least common multiple (LCM) of two numbers?

Back

To find the LCM, list the multiples of each number and find the smallest multiple they have in common. For example, the LCM of 4 and 10 is 20.

Front

What is the process for squaring a decimal?

Back

To square a decimal, multiply the decimal by itself. For example, (0.5)² = 0.25.

Tags

CCSS.6.NS.B.3

Front

What is the significance of the decimal point in a number?

Back

The decimal point separates the whole number part from the fractional part, indicating the value of digits to the right of the point is less than one.

Tags

CCSS.5.NBT.A.3A

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, \( \frac{1}{4} = 0.25 \).

Front

What is the formula for finding the area of a square?

Back

The area of a square is found by squaring the length of one side: Area = side².

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B