Daily Practice · Foundation

Daily Practice - Foundation

Grades 3-4 - securing a Foundation pass: fractions, percentages, angles and the first algebra.

22nd December 2009

5 questions · 11 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 17.8 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 3x - 12 when x = -2.
3
Writing and Simplifying Ratio2 marks
Write the ratio 7 : 42 in the form 1 : n.
4
Angles in Polygons2 marks
Work out the size of one exterior angle of a regular decagon.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 100 times. How many heads would you expect?

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