Year 9 Half Yearly Exams Study
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| When we add, subtract or multiply whole numbers, the answer is always a ... number. | Whole
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| We can compare the sizes of fractions if they have a ... denominator. | Common
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| When adding or subtracting fractions, the ... must be the same. | Denominators
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| When the numerator and denominator of a fraction cannot be divided exactly by the same whole number, the fraction is in ... form. | Simplest
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| When multiplying fractions, multiply the numerators and ... the denominators. | Multiply
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| When multiplying mixed numerals, first change them to ... fractions. | Improper
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| To obtain the reciprocal of a number, write the number as a fraction and turn it ... down. | Upside
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| To divide by a fraction, multiply by its ... | Reciprocal
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| Quantities can be compared by expressing one quantity as a fraction of another ... | Quantity
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| Decimal places are based on powers of ... | Ten
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| The term 'decimal places' refers to the number of ... after the decimal point in a decimal number. | Digits (or Figures)
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| Zeros at the end of a whole number or at the beginning of a decimal are ... significant. | Not
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| Zeros between non-zero digits or zeros at the end of a decimal ... significant. | Are
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| Some decimals repeat or ... Other decimals terminate. Some decimals do neither. | Recur
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| To convert either a fraction or a decimal to a percentage, multiply by ... | 100%
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| To convert a percentage to a decimal, divide by ... | 100
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| To convert a percentage to a fraction, divide by 100 then ... (if possible) | Simplify
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| The unitary method involves finding the value of ... part or item when given the value of several parts or items. | One
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| Add and subtract ... ... only | Like terms
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| Instead of writing 8 x b x d, we write ... | 8bd
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| In an algebraic expression, we can replace the variables with numbers to obtain a value for the expression. This process is called ... | Substitution
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| 3(4+7) can also be written as ... | 3 x (4+7)
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| When expanding an expression, each term inside the brackets is ... by the term outside the brackets. | Multiplied
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| A factor is a number or algebraic expression that divides ... into another whole number or algebraic expression. | Evenly
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| Factorising is the ... of expanding. | Reverse
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| If the denominators are not the same when adding or subtracting fractions, then we must convert them so that the fractions have a ... denominator. | Common
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| When you are multiplying and dividing fractions, the denominators ... ... need to be the same. | Do not
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| When multiplying fractions, cancel any common factors, then ... numerators and denominators. | Multiply
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| When dividing by a fraction, multiply by its ... | Reciprocal
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| One kilometre = ... m | 1000
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| One metre = ... cm | 100
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| One centimetre = ... mm | 10
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| One tonne = ... kg | 1000
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| One kilogram = ... g | 1000
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| One gram = ... mg | 1000
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| One hectare = ... metres squared | 10000
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| One metre squared = ... centimetres squared | 10000
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| One metre cubed = ... centimetres cubed | 1000000
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| One megalitre = ... kilolitres | 1000
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| One kilolitre = ... litres | 1000
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| One litre = ... millilitres | 1000
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| One centimetre cubed = ... millilitre | 1
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| One metre cubed = ... litres | 1000
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| One day = ... hours | 24
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| One hour = ... mins | 60
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| One hour = ... seconds | 3600
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| One minute = ... seconds | 60
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| A squared + B squared = ... squared | C
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| Perimeter = The sum of all ... of a plane shape | Sides
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| The perimeter of a circle is called the ... | Circumference
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| Circumference = ... | Pie x diameter
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| A relationship between two variables x and y whose graph is a striaght line is called a ... relationship. | Linear
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| The expression of a linear relationship as an algebraic formula is called a ... equation. | Linear
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| Gradient = Vertical rise divided by ... | Horizontal run
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| Data that is collected is either categorical or ... | Quantitative
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| Categorical data is information that can be put into different ... | Categories
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| Quantitative data is information that is represented by numbers. This data can be discrete or ... | Continuous
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| Discrete data is obtained through counting. "In-between" values are not ... | Possible
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| Continuous data is obtained through ... The values for this type of data are on a smooth continuous scale. | Measuring
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| A histogram is a graph that uses the height of the column to show the ... of each score. | Frequency
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| An easy way of displaying a small set of scores is to draw a number line with dots or crosses drawn above the numbers to ... the scores. | Represent
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| Range = highest score ... lowest score | Minus
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| Mean = Sum of scores ... number of scores | Divided by
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| The median is the ... score or can be the average of the two middle scores. | Middle
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| The mode is the score that occurs most ... | Often
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
shanec
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