Question 1: Calculate: 12.34 − 5.67

Answer: 6.67

Question 2: Calculate: 23.45 − 9.87

Answer: 13.58

Question 3: Calculate: 50.00 − 23.45

Answer: 26.55

Question 4: Subtract: 100.00 − 77.89

Answer: 22.11

Question 5: Calculate: 98.76 − 45.32

Answer: 53.44

Question 6: Solve: 65.43 − 19.87

Answer: 45.56

Question 7: A shop sells a toy for £24.99. After a discount of £5.50, what is the new price?

Answer: 19.49

Question 8: Construct a rectangle on the grid with a length of 12.34 units and a width of 7.89 units. Calculate the perimeter.

Answer: 40.46

Question 9: Plot the graph of y = 2x for x from 0 to 5. Use the grid to draw the line.

Answer: Graph drawn accurately with points at (0,0), (1,2), (2,4), (3,6), (4,8), (5,10)

Question 10: If you subtract 12.34 from 20.00, what is the result? Show the calculation.

Answer: 7.66

Question 11: Identify and correct the mistake: 15.23 − 7.89 = 7.34 (incorrect answer).

Answer: The correct answer is 7.34, but let's verify: 15.23 − 7.89 = 7.34. The calculation is correct; the mistake is assuming the answer is wrong. Alternatively, if a student picks an incorrect answer, they should identify the calculation error.

Question 12: Challenge: Subtract 123.45 from 1000.00. Provide your answer rounded to 2 decimal places.

Answer: 876.55