Decimals

How do you divide decimals?

• Move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places. Then divide as you would with whole numbers.

• Simply divide the numbers as they are without adjusting the decimal points.

• Multiply the divisor and dividend by 10 to eliminate the decimals before dividing.

• Add the decimal points of both numbers before dividing.

How do you convert a fraction to a decimal?

• Multiply the numerator by the denominator.

• Add the numerator and denominator together.

• Divide the numerator by the denominator.

• Subtract the denominator from the numerator.

What is a decimal?

• A decimal is a whole number without any fractional part.

• A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

• A decimal is a type of integer that can be divided by 10.

• A decimal is a number that represents a percentage of a whole.

Calculate: 7.8 ÷ 0.03

• 240

• 250

• 260

• 270

What is the importance of decimal place value?

• It determines the value of each digit in a decimal number, affecting calculations and comparisons.

• It is used to convert fractions into whole numbers.

• It helps in rounding numbers to the nearest whole number.

• It is only relevant in whole number calculations.

How do you subtract decimals?

• Align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

• Subtract the whole numbers first and then subtract the decimal parts separately.

• Convert the decimals to fractions and then perform the subtraction.

• Ignore the decimal points and subtract the numbers as if they were whole numbers.

Calculate: 1.8 ÷ 0.2

• 4

• 6

• 9

• 12

Calculate: 3.45 x 1.2

• 4.14

• 4.00

• 3.90

• 4.20

What is the relationship between decimals and fractions?

• Decimals are another way to represent fractions, where the denominator is a power of ten.

• Decimals are always larger than fractions.

• Fractions can only be represented as whole numbers, not decimals.

• Decimals and fractions are completely unrelated.

Calculate: 2.8 ÷ 0.4

• 5

• 6

• 7

• 8