Foundation Grade 3 Mini Test B
A 45-minute, 40-mark test using only authored grade 3 questions, focused on algebra, graphs, measures, trigonometry and statistics.
Questions
Question 1 [1 marks]
Statistics and Probability
The table shows the favourite school lunch of 38 pupils. Lunch: Sandwiches, Pasta, Pizza, Salad Frequency: 7, 12, 15, 4 Write down the modal favourite lunch.
Question 2 [1 marks]
Linear Algebra
Solve x / 4 = 6
Question 3 [1 marks]
Area, Volume and Measures
Shape A has a length of 5 cm. The corresponding length on a mathematically similar shape B is 20 cm.
Question 4 [2 marks]
Indices and Standard Form
Simplify each expression, leaving your answer as a single power.
b^7 / b^2
c^6 / c^6
Question 5 [2 marks]
Sequences
Here are the first five terms of a sequence. 2, 5, 7, 12, 19
Explain how each term of the sequence, after the first two, is found from the previous two terms.
Work out the next term in the sequence.
Question 6 [2 marks]
Area, Volume and Measures
A circle has radius 2.5 m. Calculate the circumference of the circle. Give your answer correct to 2 decimal places.
Question 7 [3 marks]
Pythagoras and Trigonometry
The diagram shows a right-angled triangle ABC. The right angle is at B, and angle A is marked. AB is the horizontal base, BC is the vertical side, and AC is the sloping side joining A to C.
Which side is the hypotenuse?
Which side is opposite angle A?
Which side is adjacent to angle A?
Question 8 [3 marks]
Graphs and Coordinates
A straight line has equation 3x - 2y = 12.
Find the coordinates of the point where the line crosses the x-axis.
Find the coordinates of the point where the line crosses the y-axis.
Draw the graph of 3x - 2y = 12 on the grid.
Question 9 [3 marks]
Statistics and Probability
For each situation below, state whether you would expect positive correlation, negative correlation or no correlation between the two quantities.
The number of pages in a book and the weight of the book.
The age of a car and its value in £.
A person's shoe size and their favourite colour.
Question 10 [6 marks]
Area, Volume and Measures
The diagram shows an L-shaped courtyard. The bottom edge is 10 m, the left-hand edge is 7 m, the top edge is 6 m and the lower right-hand edge is 4 m. All corners are right angles.
Work out the area of the courtyard.
Work out the perimeter of the courtyard.
Question 11 [2 marks]
Graphs and Coordinates
Plot the three points from the table on graph paper and draw the straight line joining them. x: -3, 0, 6 y: 4, 3, 1
Question 12 [2 marks]
Statistics and Probability
A frequency table for number of goals scored by a school team in matches is shown. Goals: 0-1, 2-3, 4-5 Frequencies: 3, 6, 1 Find the modal class.
Question 13 [3 marks]
Area, Volume and Measures
A student's working to find the area of a parallelogram with base 11 cm and perpendicular height 8 cm is shown below. Area = 11 + 8 = 19 cm^2
Identify the error in the student's method.
Work out the correct area of the parallelogram.
Question 14 [3 marks]
Statistics and Probability
A bakery asked 60 customers whether they bought bread and whether they bought cake. The completed two way table is below. | Bought cake | Did not buy cake | Total ------------- | ----------- | ---------------- | ----- Bought bread | 20 | 10 | 30 No bread | 15 | 15 | 30 Total | 35 | 25 | 60 Work out the probability that a customer bought cake given that they did not buy bread. Give your answer as a fraction in lowest terms.
Question 15 [3 marks]
Area, Volume and Measures
A cake recipe uses 0.75 kg of flour and 350 g of sugar. Work out the total mass of flour and sugar in kilograms.
Question 16 [3 marks]
Sequences
a) Write down the nth term of the sequence -2, 1, 4, 7, ... b) Work out the 10th term.
Model solutions
| Question 1[1 mark] | |
|---|---|
| Answer or working | Marks |
| Pizza | B1cao |
| Question 2[1 mark] | |
|---|---|
| Answer or working | Marks |
| x = 24 | B1cao |
| Question 3[1 mark] | |
|---|---|
| Answer or working | Marks |
| 4 | B1cao |
| Question 4[2 marks] | |
|---|---|
| Answer or working | Marks |
| b^5 | B1oe |
| 1 cao (accept c^0) | B1 |
| Final answer: b^5 | 1 | |
| Question 5[2 marks] | |
|---|---|
| Answer or working | Marks |
| each term is the sum of the two previous terms | B1oe |
| 31 cao, ft from their rule in part (a) | B1 |
| Final answer: Each term is found by adding the two previous terms together. | 31 | |
| Question 6[2 marks] | |
|---|---|
| Answer or working | Marks |
| 2 * pi * 2.5 | M1oe |
| awrt 15.71 (m) | A1 |
| Final answer: 15.71 m | |
| Question 7[3 marks] | |
|---|---|
| Answer or working | Marks |
| AC | B1cao |
| BC | B1cao |
| AB | B1cao |
| Final answer: AC | BC | AB | |
| Question 8[3 marks] | |
|---|---|
| Answer or working | Marks |
| substitutes y = 0 to get (4, 0) | M1cao |
| substitutes x = 0 to get (0, -6) | M1cao |
| correct straight line drawn through (4,0) and (0,-6), ft parts (a) and (b) | B1 |
| Final answer: (4, 0) | (0, -6) | Straight line through (4, 0) and (0, -6). | |
| Question 9[3 marks] | |
|---|---|
| Answer or working | Marks |
| positive correlation | B1 |
| negative correlation | B1 |
| no correlation | B1 |
| Final answer: Positive correlation | Negative correlation | No correlation | |
| Question 10[6 marks] | |
|---|---|
| Answer or working | Marks |
| finds a missing length, e.g. 10 - 6 (= 4) or 7 - 4 (= 3) | M1 |
| correct method for area, e.g. 10 x 7 - 4 x 3 | M1 |
| 58 (m^2) | A1cao |
| finds both missing lengths (4 and 3) | M1 |
| adds all six side lengths | M1 |
| 34 (m) | A1cao |
| Final answer: (a) 58 m^2 (b) 34 m | |
| Question 11[2 marks] | |
|---|---|
| Answer or working | Marks |
| at least two points plotted correctly and a straight line drawn through them | M1oe |
| all three points plotted accurately and correct straight line | A1cao |
| Final answer: Line with equation y = -1/3 x + 3, passing through (-3,4), (0,3), (6,1). | |
| Question 12[2 marks] | |
|---|---|
| Answer or working | Marks |
| identify largest frequency 6 | M1 |
| 2-3 | A1cao |
| Question 13[3 marks] | |
|---|---|
| Answer or working | Marks |
| States the student added the base and height instead of multiplying them | B1oe |
| Area = base x height = 11 x 8 | M1 |
| 88 cm^2 | A1cao |
| Final answer: The base and height were added instead of multiplied | 88 cm^2 | |
| Question 14[3 marks] | |
|---|---|
| Answer or working | Marks |
| identify conditional probability: No bread and bought cake over total No bread = 15/30 | M1 |
| 15/30 simplified to 1/2 | A1cao |
| answer in lowest terms 1/2 | B1cao |
| Final answer: 1/2 | |
| Question 15[3 marks] | |
|---|---|
| Answer or working | Marks |
| correct conversion of 0.75 kg to 750 g or 350 g to 0.35 kg | M1 |
| correct addition of masses (750 + 350 = 1100 g or 0.75 + 0.35 = 1.1 kg) | M1 |
| 1.1 kg | A1cao |
| Question 16[3 marks] | |
|---|---|
| Answer or working | Marks |
| identify add 3 pattern or form 3n - 5 | M1oe |
| 3n - 5 | A1cao |
| 25 | B1cao |
| Final answer: 3n - 5 | 25 | |