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Whether you're preparing for SATs, 11+, school entrance exams, or just want to feel more confident with numbers, you'll find lessons that meet you where you are.

Enjoy simple explanations, walkthroughs of past questions, helpful tips, and fun challenges. Ideal for learners in Primary 4 to 6 (KS2), JSS1 to 3 (KS3), and beyond.

Previously known as Common Entrance Maths & QR
Now guiding students through:
✔ National Common Entrance
✔ Quantitative Reasoning & Mathematics
✔ SATs, 11+, and other entrance exams

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Find the length of a rectangle from Area and Breadth
5:48
Find the length of a rectangle from Area and Breadth
What is the length of a rectangle whose area is 225cm2 and of breadth 9cm
5:30
What is the length of a rectangle whose area is 225cm2 and of breadth 9cm
Finding Length From Area and Breadth of a Rectangle
4:11
Finding Length From Area and Breadth of a Rectangle
Breadth when Area and Length are given | NCEE
4:17
Breadth when Area and Length are given | NCEE
Solving Area of Rectangle in Entrance Exams
3:43
Solving Area of Rectangle in Entrance Exams
Area of a Rectangle
3:54
Area of a Rectangle
Calculating the area of a rectangle | NCEE Past Question
2:25
Calculating the area of a rectangle | NCEE Past Question
Find the Circumference from Area | NCEE Past Question | Area = 38.5 cm² | π = 22/7
5:04
Find the Circumference from Area | NCEE Past Question | Area = 38.5 cm² | π = 22/7
Find the Radius from Area of a Circle | Area = 100π cm² (KS2/KS3 Maths )
5:04
Find the Radius from Area of a Circle | Area = 100π cm² (KS2/KS3 Maths )
Area of a Circle with Radius 3½ cm | NCEE Past Question | π = 22/7 (Primary 6 Maths)
4:09
Area of a Circle with Radius 3½ cm | NCEE Past Question | π = 22/7 (Primary 6 Maths)
Area of a Circle from Diameter 20cm | Use π = 3.14
4:19
Area of a Circle from Diameter 20cm | Use π = 3.14
How to Find the Area of a Circle with Radius 3m | Using π = 3.14
2:47
How to Find the Area of a Circle with Radius 3m | Using π = 3.14
Area of a Circle with Radius 35m | Learn to Apply π = 22/7 (KS2/KS3 Maths | Primary 5 – JSS2)
4:15
Area of a Circle with Radius 35m | Learn to Apply π = 22/7 (KS2/KS3 Maths | Primary 5 – JSS2)
How to Find the Area of a Circle with Radius 7cm | π = 22/7 (KS2/KS3 Maths | Primary 5 – JSS2)
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How to Find the Area of a Circle with Radius 7cm | π = 22/7 (KS2/KS3 Maths | Primary 5 – JSS2)
🔵 Master the Area of a Circle | Radius or Diameter? Learn Both! (KS2/KS3 Maths)
2:17
🔵 Master the Area of a Circle | Radius or Diameter? Learn Both! (KS2/KS3 Maths)
🧮 Learn to Calculate the Perimeter of a Quarter Circle
4:39
🧮 Learn to Calculate the Perimeter of a Quarter Circle
🟢 How to Find the Perimeter of a Semicircular Table Top | Real-Life Maths
2:53
🟢 How to Find the Perimeter of a Semicircular Table Top | Real-Life Maths
Semicircle Perimeter: Real life application
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Semicircle Perimeter: Real life application
🟢 Real-Life Maths: Perimeter of a Semicircular Garden (Radius = 14m)
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🟢 Real-Life Maths: Perimeter of a Semicircular Garden (Radius = 14m)
🌱 How to Find the Perimeter of a Semicircle from the Diameter
2:52
🌱 How to Find the Perimeter of a Semicircle from the Diameter
🔵 How to Calculate the Perimeter of a Semicircle
3:17
🔵 How to Calculate the Perimeter of a Semicircle
Example 4 Find the Radius of a Circle Given Circumference
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Example 4 Find the Radius of a Circle Given Circumference
Example 5 Find the Diameter of a Circle Given Circumference
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Example 5 Find the Diameter of a Circle Given Circumference
Example 3 Find the Diameter of a Circle Given Circumference
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Example 3 Find the Diameter of a Circle Given Circumference
Example 2 Find the Radius of a Circle Given Circumference
3:19
Example 2 Find the Radius of a Circle Given Circumference
Example 1 Find diameter when circumference is given
3:11
Example 1 Find diameter when circumference is given
Formula for Finding Radius or Diameter
2:26
Formula for Finding Radius or Diameter
Circumference Example 10
2:09
Circumference Example 10
Circumference Example 9
2:04
Circumference Example 9
Circumference Example 8
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Circumference Example 8