Daily Practice - Foundation
Grades 3-4 - securing a Foundation pass: fractions, percentages, angles and the first algebra.
21st August 2007
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 250 times. How many heads would you expect?
- 2Bar Charts2 marks
On a bar chart each gridline square stands for 5 people. A bar is 7 squares tall. How many people does it show?
- 3Error Intervals2 marks
A number y is 61 when truncated to the nearest whole number. Write down the error interval for y.
- 4Substitution2 marks
Work out the value of 8x + 7 when x = -4.
- 5Real Life and Distance Time Graphs2 marks
Maeve drives 280 km in 4 hours. Work out the average speed in km/h.
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