Numeracy Skills - Decimal Numbers

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Ddouis14

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Quizzes Created: 21 | Total Attempts: 10,916

Questions: 8 | Attempts: 86 | Updated: Mar 21, 2023

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Numeracy Skills - Decimal Numbers - Quiz

Four operations with decimal numbers
Multiplying and dividing by powers of ten
Rounding to decimal places and significant figures

Questions and Answers

1.

15.48 x 100 = ________20.58 x 1000 = ________3100 x 85.957 = ________4100 x 0.53 = ________510 x 8.08 = ________60.63 x 10 = ________79.28 x 100 = ________810 x 0.68 = ________936.65 x 10 = ________1010 x 0.62 = ________
2.

1)4.614 ÷ 10 =________2)474.8 ÷ 100 =________3)4574.86 ÷ 1000 =________4)970.408 ÷ 10 =________5)85.1 ÷ 100 =________6)1 ÷ 100 =________7)880.072 ÷ 1000 =________8)1546.02 ÷ 100 =________9)75.419 ÷ 1000 =________10)1051.7 ÷ 10 =________

Explanation
The given answers are the results of dividing the given numbers by the specified divisor. For example, dividing 4.614 by 10 gives the answer 0.4614. Similarly, dividing 474.8 by 100 gives the answer 4.748. This pattern continues for the remaining questions, where each number is divided by the specified divisor to obtain the corresponding answer.

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3.

1) Round 8.1477 to 3 decimal places ________2) Round 3.9871 to 2 decimal places ________3) Round 4.0958 to 2 decimal places ________4) Round 9.4285 to 1 decimal place ________5) Round 0.9843 to 3 decimal places ________6) Round 76.7171 to 2 decimal places ________7) Round 70.9012 to 2 decimal places ________8) Round 7.0382 to 3 decimal places ________9) Round 0.6453 to 1 decimal place ________10) Round 2.4346 to 1 decimal place ________

Explanation
The given answer provides the rounded values for each of the given numbers. The numbers are rounded as follows: 8.1477 is rounded to 8.148, 3.9871 is rounded to 3.99, 4.0958 is rounded to 4.10 or 4.1, 9.4285 is rounded to 9.4, 0.9843 is rounded to 0.984, 76.7171 is rounded to 76.72, 70.9012 is rounded to 70.90, 7.0382 is rounded to 7.038, 0.6453 is rounded to 0.6, and 2.4346 is rounded to 2.4.

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4.

1) Round 4.8571 to 2 s.f. ________ 2) Round 0.003818 to 3 s.f. ________ 3) Round 4.874 to 3 s.f. ________4) Round 1.4244 to 2 s.f. ________5) Round 0.001283 to 3 s.f. ________6) Round 81 to 1 s.f. ________7) Round 776 to 2 s.f. ________8) Round 39 812 to 3 s.f. ________9) Round 1.5469 to 3 s.f. ________10) Round 646 to 2 s.f. ________

Explanation
The given answer provides the rounded values for each number to the specified significant figures. For example, 4.8571 rounded to 2 significant figures is 4.9. Similarly, 0.003818 rounded to 3 significant figures is 0.00382. The answer continues to provide the rounded values for the remaining numbers in the same manner.

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4
5.

1) 1.93 x 3 = ________2) 2.7 x 7.5 = ________3) 2 x 3.16 = ________4) 0.5 x 9.75 = ________5) 3.3 x 1.9 = ________6) 0.6 x 2.3 = ________7) 3.49 x 2.7 = ________8) 0.9 x 6.5 = ________9) 3.8 x 6 = ________10) 9 x 1.17 = ________

Explanation
The given answers correspond to the correct products of the multiplication problems. Each answer is obtained by multiplying the two given numbers in each problem. For example, in the first problem, 1.93 multiplied by 3 equals 5.79. Similarly, the other answers are obtained by multiplying the given numbers in each problem.

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6.

1) 35.44 ÷ 0.5 = ________2) 6.67 ÷ 0.2 = ________3) 14.73 ÷ 0.5 = ________4) 49.5 ÷ 9 = ________5) 6.87 ÷ 0.1 = ________6) 34.35 ÷ 0.5 = ________7) 19.29 ÷ 0.5 = ________8) 26.79 ÷ 3 = ________9) 11.05 ÷ 5 = ________10) 11.63 ÷ 0.2 = ________
7.

1) 7 + 2.96 = ________2) 28.67 + 2.3 = ________ 3) 6.69 + 25.56 = ________4) 7.04 + 63.1 = ________5) 14 + 2.28 = ________6) 3.89 + 58.29 = ________7) 16 + 9.21 = ________8) 5.7 + 3.35 = ________9) 19 + 9.28 = ________10) 4.11 + 33.01 = ________

Explanation
The given answers are the results of adding the respective numbers in each question. For example, in question 1, 7 + 2.96 equals 9.96. Similarly, in question 2, 28.67 + 2.3 equals 30.97. This pattern continues for all the questions, resulting in the given answers.

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8.

1) 60.26 - 59.06 = ________2) 71.71 - 48.56 = ________3) 56.96 - 18.65 = ________4) 83.76 - 70.66 = ________5) 74 - 5.21 = ________6) 82 - 1.82 = ________7) 93 - 5.76 = ________8) 23 - 2.79 = ________9) 55.63 - 51.11 = ________10) 93.99 - 59.88 = ________

Explanation
The given correct answer provides the solutions to the subtraction problems. Each answer is the difference between the two numbers given in the corresponding question. For example, in the first question, 60.26 - 59.06 equals 1.2. Similarly, the rest of the answers represent the differences between the given numbers in each question.

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Numeracy Skills - Decimal Numbers

15.48 x 100 = 20.58 x 1000 = 3100 x 85.957 = 4100 x 0.53 = 510 x 8.08 = 60.63 x 10 = 79.28 x 100 = 810 x 0.68 = 936.65 x 10 = 1010 x 0.62 =

1)4.614 ÷ 10 =2)474.8 ÷ 100 =3)4574.86 ÷ 1000 =4)970.408 ÷ 10 =5)85.1 ÷ 100 =6)1 ÷ 100 =7)880.072 ÷ 1000 =8)1546.02 ÷ 100 =9)75.419 ÷ 1000 =10)1051.7 ÷ 10 =

1) Round 4.8571 to 2 s.f. 2) Round 0.003818 to 3 s.f. 3) Round 4.874 to 3 s.f. 4) Round 1.4244 to 2 s.f. 5) Round 0.001283 to 3 s.f. 6) Round 81 to 1 s.f. 7) Round 776 to 2 s.f. 8) Round 39 812 to 3 s.f. 9) Round 1.5469 to 3 s.f. 10) Round 646 to 2 s.f.

1) 1.93 x 3 = 2) 2.7 x 7.5 = 3) 2 x 3.16 = 4) 0.5 x 9.75 = 5) 3.3 x 1.9 = 6) 0.6 x 2.3 = 7) 3.49 x 2.7 = 8) 0.9 x 6.5 = 9) 3.8 x 6 = 10) 9 x 1.17 =

1) 35.44 ÷ 0.5 = 2) 6.67 ÷ 0.2 = 3) 14.73 ÷ 0.5 = 4) 49.5 ÷ 9 = 5) 6.87 ÷ 0.1 = 6) 34.35 ÷ 0.5 = 7) 19.29 ÷ 0.5 = 8) 26.79 ÷ 3 = 9) 11.05 ÷ 5 = 10) 11.63 ÷ 0.2 =

1) 7 + 2.96 = 2) 28.67 + 2.3 = 3) 6.69 + 25.56 = 4) 7.04 + 63.1 = 5) 14 + 2.28 = 6) 3.89 + 58.29 = 7) 16 + 9.21 = 8) 5.7 + 3.35 = 9) 19 + 9.28 = 10) 4.11 + 33.01 =

1) 60.26 - 59.06 = 2) 71.71 - 48.56 = 3) 56.96 - 18.65 = 4) 83.76 - 70.66 = 5) 74 - 5.21 = 6) 82 - 1.82 = 7) 93 - 5.76 = 8) 23 - 2.79 = 9) 55.63 - 51.11 = 10) 93.99 - 59.88 =

Numeracy Skills - Decimal Numbers

15.48 x 100 = ________20.58 x 1000 = ________3100 x 85.957 = ________4100 x 0.53 = ________510 x 8.08 = ________60.63 x 10 = ________79.28 x 100 = ________810 x 0.68 = ________936.65 x 10 = ________1010 x 0.62 = ________

1)4.614 ÷ 10 =________2)474.8 ÷ 100 =________3)4574.86 ÷ 1000 =________4)970.408 ÷ 10 =________5)85.1 ÷ 100 =________6)1 ÷ 100 =________7)880.072 ÷ 1000 =________8)1546.02 ÷ 100 =________9)75.419 ÷ 1000 =________10)1051.7 ÷ 10 =________

1) 1.93 x 3 = ________2) 2.7 x 7.5 = ________3) 2 x 3.16 = ________4) 0.5 x 9.75 = ________5) 3.3 x 1.9 = ________6) 0.6 x 2.3 = ________7) 3.49 x 2.7 = ________8) 0.9 x 6.5 = ________9) 3.8 x 6 = ________10) 9 x 1.17 = ________

1) 35.44 ÷ 0.5 = ________2) 6.67 ÷ 0.2 = ________3) 14.73 ÷ 0.5 = ________4) 49.5 ÷ 9 = ________5) 6.87 ÷ 0.1 = ________6) 34.35 ÷ 0.5 = ________7) 19.29 ÷ 0.5 = ________8) 26.79 ÷ 3 = ________9) 11.05 ÷ 5 = ________10) 11.63 ÷ 0.2 = ________

1) 7 + 2.96 = ________2) 28.67 + 2.3 = ________ 3) 6.69 + 25.56 = ________4) 7.04 + 63.1 = ________5) 14 + 2.28 = ________6) 3.89 + 58.29 = ________7) 16 + 9.21 = ________8) 5.7 + 3.35 = ________9) 19 + 9.28 = ________10) 4.11 + 33.01 = ________

1) 60.26 - 59.06 = ________2) 71.71 - 48.56 = ________3) 56.96 - 18.65 = ________4) 83.76 - 70.66 = ________5) 74 - 5.21 = ________6) 82 - 1.82 = ________7) 93 - 5.76 = ________8) 23 - 2.79 = ________9) 55.63 - 51.11 = ________10) 93.99 - 59.88 = ________

15.48 x 100 = 20.58 x 1000 = 3100 x 85.957 = 4100 x 0.53 = 510 x 8.08 = 60.63 x 10 = 79.28 x 100 = 810 x 0.68 = 936.65 x 10 = 1010 x 0.62 =

1)4.614 ÷ 10 =2)474.8 ÷ 100 =3)4574.86 ÷ 1000 =4)970.408 ÷ 10 =5)85.1 ÷ 100 =6)1 ÷ 100 =7)880.072 ÷ 1000 =8)1546.02 ÷ 100 =9)75.419 ÷ 1000 =10)1051.7 ÷ 10 =

1) 1.93 x 3 = 2) 2.7 x 7.5 = 3) 2 x 3.16 = 4) 0.5 x 9.75 = 5) 3.3 x 1.9 = 6) 0.6 x 2.3 = 7) 3.49 x 2.7 = 8) 0.9 x 6.5 = 9) 3.8 x 6 = 10) 9 x 1.17 =

1) 35.44 ÷ 0.5 = 2) 6.67 ÷ 0.2 = 3) 14.73 ÷ 0.5 = 4) 49.5 ÷ 9 = 5) 6.87 ÷ 0.1 = 6) 34.35 ÷ 0.5 = 7) 19.29 ÷ 0.5 = 8) 26.79 ÷ 3 = 9) 11.05 ÷ 5 = 10) 11.63 ÷ 0.2 =

1) 7 + 2.96 = 2) 28.67 + 2.3 = 3) 6.69 + 25.56 = 4) 7.04 + 63.1 = 5) 14 + 2.28 = 6) 3.89 + 58.29 = 7) 16 + 9.21 = 8) 5.7 + 3.35 = 9) 19 + 9.28 = 10) 4.11 + 33.01 =

1) 60.26 - 59.06 = 2) 71.71 - 48.56 = 3) 56.96 - 18.65 = 4) 83.76 - 70.66 = 5) 74 - 5.21 = 6) 82 - 1.82 = 7) 93 - 5.76 = 8) 23 - 2.79 = 9) 55.63 - 51.11 = 10) 93.99 - 59.88 =