Maths Questions (Place value, decimals, indices, factors))
Answer all questions in 15 minutes. Write/show your workings (when necessary) to have something to refer back to yourself. Take your time as you can take the quiz again if you have not answered all questions. Calculators are allowed but show your workings on paper.
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Dernière actualisation : 15 juillet 2019
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| Première soumission | 15 juillet 2019 |
| Nombre de tentatives | 89 |
| Score moyen | 86,7% | Signaler ce quiz | Signaler |
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1.
(Integers and place value) What is an integer?
A decimal number sequence e.g. 7.2, 7.3, 7.4, 7.5, 7.6
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A whole number sequence e.g. 6, 7, 8, 9, 10
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2.
(Integers and place value) What is the place value for the 4 in the number 2456?
4
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40
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400
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4000
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3.
(Integers and place value) What do we call the place value for the 7 in the number 7936?
Ones
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Tens
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Hundreds
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Thousands
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4.
(Decimals) Which one of these numbers is a decimal number?
34
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5.2
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5.
(Decimals) What is the next number in this sequence?
5.5, 5.6, 5.7, 5.8, ?
5.9
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6.0
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6.1
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6.2
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6.
(Decimals) What is 5.2 + 4.6?
9.2
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9.4
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9.6
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9.8
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7.
(Indices, powers and roots) What does power mean?
Times a number by the power e.g. 5 to the power of 2 equals 10 (5x2)
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Times a number by itself e.g. 5 to the power of 2 equals 25 (5x5)
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8.
(Indices, powers and roots) What does square root mean?
A number that is multiplied by itself to get another number e.g. 3x3 = 9 so 3 is the square root of 9
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A number that is a the result of dividing a number e.g. 27÷9 = 3 so 3 is the square root of 27
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9.
(Indices, powers and roots) What is 6 to the power of 2?
32
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34
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36
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38
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10.
(Indices, powers and roots) What is the square root of 25?
8
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7
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6
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5
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11.
(Factors, multiples and primes) What does a factor mean?
A number that can go into other numbers e.g. 1, 2 and 3 are factors of 6
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A number that divides equally into other numbers e.g. 9 can divide into 3
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12.
(Factors, multiples and primes) What does a multiple mean?
A number that is in another number e.g. 34 has the number 3 in it so 3 is a multiple of 3
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A number that can be multiplied by another number to get a total e.g. 3x2 = 6 so 3 is a multiple of 6
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13.
(Factors, multiples and primes) What is a prime number?
Prime numbers are odd numbers e.g. 1, 3, 5, 7, 9, 11
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Prime numbers can only be divided by themselves and 1 e.g. 2 can only be divided by 1 and 2
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14.
(Factors, multiples and primes) What are the prime numbers between 0 and 15?
2, 3, 5, 7, 11, 13
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3, 5, 7, 9, 11, 13
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15.
(Factors, multiples and primes) What is a multiple of 27?
4
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5
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2
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9
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I'm not sure about the english definition, but in France we consider that integers are decimal numbers, so both answers to question n°4 are correct.
There's also a mistake in the last question (n°15) :
None of these numbers are multiple of 27.
One of them divides 27 (which also means that 27 is a multiple of one of them), but that's not what's currently written.