Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
3rd February 2024
- 1Ratio2 marks
Red and blue sweets are in the ratio 7 : 9. There are 91 red sweets. How many sweets are there altogether?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 40°. How many sides does it have?
- 3Probability Trees3 marks
2 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 160 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 5Error Intervals2 marks
A number y is 73 when truncated to the nearest whole number. Write down the error interval for y.
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