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Secondary 1 Maths Practice Worksheet
Time: 60 minTotal: 31 marks
Name: Class: Date:
Section A - Multiple Choice
A1.In the sequence 2, 5, 8, 11, …, what is the 7th term?[1]
A2.Round 27.34 to 1 decimal place.[1]
A3.The data table shows the measured length of 4 items in cm. Which item's length rounds to 8 cm when rounded to the nearest whole number?[1]
| Item | Measured length (cm) |
|---|---|
| Item A | 7.6 |
| Item B | 8.6 |
| Item C | 7.3 |
| Item D | 8.9 |
Measured lengths
A4.Find the HCF of 24 and 56.[1]
A5.Round 162.3 to 3 significant figures.[1]
A6.What is the next term? 5, 10, 20, 40, __[1]
A7.A number is multiplied by 4 and then 7 is subtracted. The result is 21. What is the number?[2]
A8.The cuboid shown has length 8 cm, width 5 cm, and height 4 cm. What is its volume?[2]
Section B - Short Answer
B1.Work out (−8) + 15 − (−3).[1]
B2.Two bus services leave the interchange together at 8:00 am. Bus A leaves every 12 minutes and Bus B leaves every 18 minutes. At what time will they next leave together?[2]
B3.Divide $60 in the ratio 2 : 3. Find the larger share.[2]
B4.The diagram shows a number line. The temperature at midnight was −4°C. By 6 am, the temperature had risen by 9°C. What was the temperature at 6 am?[2]
B5.A school hall has 48 rows of seats with 27 seats in each row. By rounding each number to 1 significant figure, estimate the total number of seats in the hall.[2]
B6.Twice a number, minus 5, is at most 13. Write this as an inequality and find the largest possible whole number value of the number.[2]
Section C - Structured
C1.The table shows the price of items at an electronics store before Goods and Services Tax (GST) of 8%.[3]
| Item | Price before GST |
|---|---|
| Headphones | $50 |
| Speaker | $120 |
Prices before GST
(a)Find the price of the headphones after 8% GST is added.[1]
(b)Mr Rai buys the speaker (before-GST price $120) and pays with GST included. He pays with two $100 notes. How much change does he receive?[2]
C2.The temperature inside a freezer is −18°C. The temperature inside a fridge is 22°C higher than the freezer's temperature.[3]
(a)Find the temperature inside the fridge.[1]
(b)The temperature outside is 31°C. Find the difference between the outside temperature and the freezer's temperature.[2]
C3.In the diagram, line PQ is parallel to line RS, and a transversal crosses both lines. Angle a and 115° are corresponding angles.[4]
(a)State the value of angle a, giving a reason.[2]
(b)Angle b is on the same straight line as angle a, adjacent to it. Find the value of angle b.[2]
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