Decimal Check In Week 5

Convert the decimal 0.75 to a fraction.

• 3/4

• 7/10

• 1/2

• 5/8

Answer explanation

To convert 0.75 to a fraction, recognize that 0.75 is equivalent to 75/100. Simplifying this fraction by dividing both the numerator and denominator by 25 gives 3/4, which is the correct answer.

Which of the following decimals is the largest?

• 0.09

• 0.9

• 0.89

• 0.8

Answer explanation

To compare the decimals, look at the digits from left to right. 0.9 has the highest value in the tenths place compared to 0.89, 0.88, and 0.87. Therefore, 0.9 is the largest decimal among the options.

Kai bought a notebook for $4.56 and a pen for $3.78. How much did Kai spend in total?

• $8.34

• $7.34

• $8.14

• $8.44

Answer explanation

To add 4.56 and 3.78, align the decimals: 4.56 + 3.78 = 8.34. Thus, the correct answer is 8.34.

Subtract the decimals: 9.05 - 2.67.

• 6.38

• 7.38

• 6.48

• 6.28

Answer explanation

To subtract the decimals, align the numbers by the decimal point: 9.05 - 2.67. Performing the subtraction gives 6.38. Thus, the correct answer is 6.38.

Multiply the decimal 0.6 by the whole number 5.

• 3.0

• 3.5

• 2.5

• 3.6

Answer explanation

To multiply 0.6 by 5, calculate 0.6 × 5 = 3.0. Therefore, the correct answer is 3.0.

What is the place value of the digit 7 in the decimal 5.788?

• Tenths

• Hundredths

• Thousandths

• Units

Answer explanation

In the decimal 5.678, the digit 7 is in the tenths place, which is the first digit to the right of the decimal point. Therefore, the place value of 7 is tenths.

Round the decimal 7.894 to the nearest hundredth.

• 7.89

• 7.90

• 7.88

• 7.91

Answer explanation

To round 7.894 to the nearest hundredth, look at the third decimal place (4). Since 4 is less than 5, we round down, keeping the hundredths place as 89. Thus, the answer is 7.89.

Which of the following decimals is the smallest?

• 0.56

• 0.65

• 0.59

• 0.60

Answer explanation

To determine the smallest decimal, compare the values: 0.56, 0.65, 0.59, and 0.60. The smallest value is 0.56, as it is less than all the other options.

Abigail bought a notebook for $2.34 and a pen for $5.67. How much did she spend in total?

• $8.01

• $7.91

• $8.11

• $7.01

Answer explanation

To add the decimals, align the numbers by the decimal point: 2.34 + 5.67. Adding them gives 8.01. Therefore, the correct answer is 8.01.

Luna had $8.92. She bought a book for $3.47. How much money does Luna have left?

• $5.45

• $5.55

• $5.35

• $5.65

Answer explanation

To subtract the decimals, align the numbers by the decimal point: 8.92 - 3.47. Performing the subtraction gives 5.45. Thus, the correct answer is 5.45.