Calculating Squares of Numbers up to 50

Try these questions

5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.

1. 1. Calculate 32^2 using the column multiplication method.

   Type your answer in the lesson.

2. 2. Using (a + b)^2 = a^2 + 2ab + b^2, which expansion correctly gives 24^2?

   • A. 400 + 80 + 16
   • B. 400 + 160 + 16
   • C. 400 + 16
   • D. 20 + 80 + 4

3. 3. A square veranda in Nakuru has a side of 35 m. What is its area in square metres?

   Type your answer (in m^2) in the lesson.

4. 4. Which mistake is made when a pupil says that 30^2 = 60?

   • A. Forgetting the placeholder zero
   • B. Multiplying by 2 instead of squaring
   • C. Adding 30 + 30 + 30
   • D. Forgetting to square the ones digit

5. 5. What name is given to the result obtained when two or more numbers are multiplied together?

   Type your answer in the lesson.

More in Whole Numbers

• ▸Rounding Off Numbers to the Nearest Ten and Hundred
• ▸Rounding Off Numbers to the Nearest Thousand
• ▸Real Life Applications of Rounding Off up to 100,000
• ▸Concept of Squares of Whole Numbers
• ▸Calculating Squares of Whole Numbers up to 100
• ▸Concept of Square Roots of Numbers
• ▸Determining Square Roots Using Factor Trees
• ▸Square Roots of Perfect Squares up to 1,000

See every Grade 6 Mathematics lesson →