Starter Cards - Key Stage 4 Targeting grade C. Introduction These cards are designed to be used as mental and oral starters at Key Stage 4 Ideally they.

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Presentation transcript:

Starter Cards - Key Stage 4 Targeting grade C

Introduction These cards are designed to be used as mental and oral starters at Key Stage 4 Ideally they should be laminated with the sample key questions on the back Please add key questions of your own and adapt the cards where appropriate.

a b c

Grade C SAMPLE KEY QUESTIONS - PYTHAGORAS If the length of a is 1 unit and b is 2 units what is the length of c ? If a and b are both 2 units long …. If c is √5 what whole number values can you give a and b ? If c = √10 ……….. If the hypotenuse is √40 and side b =6 how long is side a ? If all the sides total 12 find the lengths of a, b and c If the hypotenuse is √101 and a =1 how long is side b ? If both sides a and b are 0.5 cm long, how long is side c ? EXTENSIONS A square has sides equal to 4 cm. How long is the diagonal ? A rectangle has diagonal length √40. If the width of the shape is 2cm, how long is it ? Tree….. Flag pole…… Fisherman …. Footballer ……

Grade C SAMPLE KEY QUESTIONS - SEQUENCES What is the 7 th number in this sequence …the 10 th number….. What is the nth term … general term Use the nth term to find the 20 th number in the sequence Describe the sequence in as many ways as you can What is the 5 th red number in the sequence Describe the blue number sequence in as many ways as you can EXTENSIONS What is the nth term for the red number sequence Use this to find the 20 th, 50 th, 100 th number in the sequence What is the nth term for the blue ……..

¼,½,¾,1…

Grade C SAMPLE KEY QUESTIONS - SEQUENCES What is the 7 th number in this sequence …the 10 th number….. What is the nth term … general term Use the nth term to find the 20 th number in the sequence Describe the sequence in as many ways as you can What is the 5 th red number in the sequence Describe the blue number sequence in as many ways as you can EXTENSIONS What is the nth term for the red number sequence Use this to find the 20 th, 50 th, 100 th number in the sequence What is the nth term for the blue ……..

Grade C SAMPLE KEY QUESTIONS – CO-ORDINATES The point(0,0) is the mid-point of the line. If A = (4,4)) what are the coordinates of point B? …A=(12,1) ….. ….B=(-3,-1) …. EXTENSIONS If this line is the hypotenuse of a right angle triangle, find the coordinates of the vertices of the triangle if B = ( -2,-2) Find the area ….. If this line is the diagonal of a rectangle and the point A is ( 3,2) find the area and perimeter of the shape. if the point A is (4,2) what is the gradient of the line ? What is the equation of the line?

( 0, 0 ) A C B

Grade C SAMPLE KEY QUESTIONS – CO-ORDINATES If the square has side 2 units and is reflected in the x axis what are the new coordinates of point A, B …… The square is reflected in the y axis EXTENSIONS If the square has side 6 units find the coordinates of the centre of the square. If the perimeter is 8 units find the coordinates of the centre of the square If the area …… If the square is rotated clockwise …

Grade C SAMPLE KEY QUESTIONS – AREA PERIMETER ALGEBRA If the perimeter is 49 cm what is the area? … If the area = 9cm what is the perimeter? … If the area of ½ the square is 8cm what is its perimeter? … EXTENSIONS If the area of the square is a 2 what is the perimeter?.. Join two of these squares together to form a rectangle – find the area and perimeter of this new shape …. If the length of the side of the square is x+2, what is the perimeter ….area …

SAMPLE KEY QUESTIONS – MEAN MEDIAN MODE RANGE EXTENSIONS I add one more number to the list and the new mean is 4. What is that number? What is the new median, mode and range I add a different number and my new mean is 4.5 ……….. Use your hand to cover up the two 6s What is the total? What is the mean … median.. Mode.. Range for the three numbers? Now cover up the 5 and 1 and repeat as above. Try covering up the 5 … Use all five numbers… Cover up the two end numbers …….