Rebecca Kensington
Quiz by , created more than 1 year ago

This quiz will test how well you know the methods of the content

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Rebecca Kensington
Created by Rebecca Kensington about 7 years ago
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Methods: Unit 1 - Numbers

Question 1 of 30

1

BIDMAS is used to determine which order the calculation should be done

Select one of the following:

  • True
  • False

Explanation

Question 2 of 30

1

When multiplying by a multiple of 10 (e.g. 10, 100, 100 etc...) you move the decimal point to the left by how many zeros there are

Select one of the following:

  • True
  • False

Explanation

Question 3 of 30

1

When dividing by a multiple of 10 (e.g. 10, 100, 1000 etc...) you move the decimal to the left by how many zeros there are

Select one of the following:

  • True
  • False

Explanation

Question 4 of 30

1

Select from the dropdown lists to complete the text.

When you multiply decimal numbers you follow these steps:
1) Ignore the ( decimals, number )
2) ( Add, Divide, Multiply, Subtract ) the numbers as normal
3) Your answer must have the same number of ( digits, decimal places ) as the original question

Explanation

Question 5 of 30

1

To divide a decimal number by an integer you just divide using bus stop method.
No other steps need to be taken.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 30

1

Select from the dropdown lists to complete the text.

To divide a number by a decimal you do the following:
1) ( Add, Remove ) the decimal places by multiplying by a multiple of 10 (e.g. 10, 100, 1000 etc...)
2) Make sure you ( divide, multiply ) both numbers by ( the same, different ) multiple of 10
3) Divide as usual

Explanation

Question 7 of 30

1

+ - means you subtract
- - means you add

Select one of the following:

  • True
  • False

Explanation

Question 8 of 30

1

To find the prime factorisation of a number you do the following:

Select one of the following:

  • Divide the number by an integer until you get five factors

  • Divide the number by prime numbers only until you are left with only prime factors

Explanation

Question 9 of 30

1

To find the LCM of a set of numbers you follow these steps:
1) Find the product of primes for each number
2) Add all of the prime numbers together

Select one of the following:

  • True
  • False

Explanation

Question 10 of 30

1

To find the HCF of each number you do the following:
1) Find the prime factorisation of each number

Select one of the following:

  • 2) Multiply all the numbers together

  • 2) Multiply the prime factors that appear in EXACTLY all sets

  • 2) Add the factors together

Explanation

Question 11 of 30

1

To do calculation involving mixed number, you must turn the mixed numbers into improper fractions first

Select one of the following:

  • True
  • False

Explanation

Question 12 of 30

1

To multiply fractions, you multiply the top number and divide the bottom numbers

Select one of the following:

  • True
  • False

Explanation

Question 13 of 30

1

You never cancel down fractions

Select one of the following:

  • True
  • False

Explanation

Question 14 of 30

1

To divide fraction you:
1) flip the second fraction
2) multiply the two fractions

Select one of the following:

  • True
  • False

Explanation

Question 15 of 30

1

To add or subtract fractions, you add the top numbers and then the bottom numbers

Select one of the following:

  • True
  • False

Explanation

Question 16 of 30

1

To take 3/5 of a number you do the following:

Select one of the following:

  • 1) Divide by 5
    2) Multiply by 3

  • 1) Divide by 3
    2) Multiply by 5

  • 1) Divide by 5
    2) Divide by 3

Explanation

Question 17 of 30

1

To express x as a fraction of y, you do the following:
1) Make x the numerator
2) Make y the denominator
3) Cancel down

Select one of the following:

  • True
  • False

Explanation

Question 18 of 30

1

Select from the dropdown lists to complete the text.

To turn a fraction into a decimal you ( multiply, divide ) the numerator by the ( denominator, top number )

Explanation

Question 19 of 30

1

To turn a fraction into a percentage you must:
1) Turn the fraction into a decimal number
2) Turn the decimal number into a percentage

Select one of the following:

  • True
  • False

Explanation

Question 20 of 30

1

To turn a percentage into a decimal number you multiply the percentage by 100

Select one of the following:

  • True
  • False

Explanation

Question 21 of 30

1

To turn a decimal into a fraction you do the following:
1) The digits after the decimal point become the
2) The denominator is a power of (e.g. 10, 100, 100,...)
The power of 10 has the same amount of as there were digits after the decimal point

Drag and drop to complete the text.

    numerator
    denominator
    integer
    2
    10
    5
    zeros
    digits

Explanation

Question 22 of 30

1

To turn recurring decimals into fractions, we do the following:
1) Make the recurring decimal equal to r
2) Multiply by a power of 10 (e.g. 1, 10, 100, 1000, etc...) to get any non-recurring digits before the decimal points
3) Multiply the answer in step 2 by a power of 10 (e.g. 10, 100, 1000, etc...) to get any recurring parts before the decimal point.
4) Take away the answer in step 2, from the answer in step 3.
5) Divide both sides by the integer in front of r to get it on its own
6) Cancel the fraction down

Select one of the following:

  • True
  • False

Explanation

Question 23 of 30

1

To turn a fraction into a recurring decimal you:
1) Make every non-zero number on the numerator a 9.
Remembering to multiply the bottom by whatever you multiplied the top by.
2) The denominator becomes the recurring decimal

Select one of the following:

  • True
  • False

Explanation

Question 24 of 30

1

You round a number up, if the number after it is:

Select one of the following:

  • below 5

  • 5, or above

  • above 5

Explanation

Question 25 of 30

1

To estimate a calculation, you round all the numbers in the calculation to 2 significant figures

Select one of the following:

  • True
  • False

Explanation

Question 26 of 30

1

To find the bounds of a number you find the half unit above and below the given number

Select one of the following:

  • True
  • False

Explanation

Question 27 of 30

1

To add numbers in standard form, you add the decimal numbers and then add the powers of 10

Select one of the following:

  • True
  • False

Explanation

Question 28 of 30

1

To multiply together numbers in standard form, you multiply the decimals and then add the powers

Select one of the following:

  • True
  • False

Explanation

Question 29 of 30

1

To divide numbers in standard form, you divide the decimal numbers and then add the powers

Select one of the following:

  • True
  • False

Explanation

Question 30 of 30

1

Select from the dropdown list to complete the text.

To turn a decimal number into a percentage you ( divide, add, multiply, subtract ) the decimal by 100

Explanation