Oxford mathematics 5 - Copy

s trategy A way to solve a problem. In te s s e llation A pattern mathematics, you can often use more than formed by shapes that t one strategy to get the right answer. together without any gaps. Example: 32 + 27 = 59 Jump strategy the rmome te r An instrument for measuring temperature. 32 42 52 53 54 55 56 57 58 59 Split strategy 30 + 2 + 20 + 7 = 30 + 20 + 2 + 7 = 59 three - dimensional or 3D subtrac tion The taking away of one A shape that has three number from another number. Also known as dimensions – length, width and depth. width subtracting, take away, difference between and depth minus. See also vertical subtraction 3D shapes are not at. length Example: 5 take away 2 is 3 time line A visual representation of a period of sur vey A way of collecting data or time with signicant events marked in. information by asking questions. 2 9 Januar y 2 5 March 19 May 2 8 June 3 – 6 August 17 December S cho ol Mid - y e ar School st ar t s E as t er C amp S cho ol produc tion holiday s holiday s  nis h e s Strongly agree translate To move a shape to a new position Agree Disagree without ipping or turning it. Also known as Strongly disagree slide symmetr y A shape or pattern has symmetr y when one side is a mirror image of the other. trapezium A 2D shape with four sides and table A way to organise only one set of parallel lines. information that uses columns and rows. Flavour Number of people triangular number A number that can be Chocolate 12 Vanilla 7 organised into a triangular shape. The rst four Strawberry 8 are: tally marks A way of keeping countthatusessingle lines with ever y fth line crossed to make a group. t wo - dimensional or 2D A at shape that has term A number in a series or pattern. two dimensions – width length and width. Example: The sixth term in this pattern is 18. length 3 6 9 12 15 18 21 24 148 OX FOR D U N I V E RSI T Y PR E S S

turn Rotate around a point. volume How much space an object takes up. Example: This object has a volume of 4 cubes. unequal Not having the same size or value. whole All of an item or group. Example: Unequal size Unequal numbers Example: A whole shape A whole group width The shor test dimension of a shape or value How much something is wor th. object. Also known as breadth Example: This coin is wor th 5c. This coin is wor th $1. ver tex (plural ver tices) The point where two edges of a shape or object meet. Also known as a corner x-axis The horizontal reference line showing corner coordinates or values on a graph or map. Favourite sports ver tical At a right angle to the horizon or elpoep fo rebmuN 16 14 straight up and down. 12 10 vertical line 8 6 4 2 0 Rugby Foot- Basket- horizon ball ball ball Sport x-axis y-axis The ver tical reference line showing coordinates or values on a graph or map. Favourite sports ver tical addition A way of T O 16 y-axis elpoep fo rebmuN 14 recording addition so that the place - 3 6 12 value columns are lined up ver tically + 2 1 10 8 to make calculation easier. 5 7 6 4 ver tical subtrac tion A way of 2 T O 0 recording subtraction so that the 5 7 Cricket Soccer Net- Rugby Foot- Basket- – 2 1 ball ball ball place -value columns are lined up Sport ver tically to make calculation easier. 3 6 OX FOR D U N I V E RSI T Y PR E S S 149