Knowing our numbers means understanding the structure, size, and properties of numbers, including place value and number systems. It involves reading, writing, comparing, and rounding large numbers with confidence. A clear understanding of numbers is the foundation for all mathematical operations and problem-solving. The Knowing Our Numbers Quiz for Grade 6 assesses students' mastery of number concepts and operations. Students can attempt these 10 MCQs to see how well they understand the concept of numbers and their relationships.
What are the common prime factors of 28 and 42?
Answer: (d) 2, 7
What are the prime factors of the smallest 4-digit number?
Answer: (a) 2, 5
What is the HCF of the numbers 44, 55, 76, 120 when all four numbers are rounded off to the nearest ten?
Answer: (c) 20
Find the smallest value of x for which the number 76x34 is divisible by 9.
Answer: (a) 7
A company manufactures 4,987 pens in a day. Each box can hold exactly 100 pens. How many boxes will the company need to pack all the pens?
Answer: (c) 50
In one city, Ali has eleven businesses. Every month, every store in the city makes the same amount of money. When computing the monthly revenue from all 11 stores combined, two digits are inadvertently switched and the result is 72641. Once the error has been fixed, find the annual revenue of a single store.
Answer: (b) 83172
Read the passage carefully and answer the following question: During a festive sale at a stationery store, colour pencils were being sold in packs of 28 each, and crayons were sold in packs of 35 each. A teacher wants to buy an equal number of colour pencils and crayons for her class. She decides to purchase the minimum number of packs of each such that the total number of colour pencils equals the total number of crayons. The store manager also mentions that if the teacher buys at least 10 packs of either item, she will receive a 15% discount on the total cost. How many packs of coloured pencils and crayons should the teacher buy to have an equal number of coloured pencils and crayons?
Answer: (d) 5 packs of colour pencils and 4 packs of crayons
HCF of the numbers ( 24, 18 ) is halved and LCM of the numbers ( 6, 15 ) is tripled. What is the LCM of the newly formed two numbers?
Answer: (c) 90
The number 56x72 is divisible by 9. Find the least value of x.
Answer: (b) 7
Find the total number of numbers which when rounded off to nearest ten give us 300.
Answer: (c) 10
| Topic | Quiz |
|---|---|
| Algebraic Expressions | Quiz on Algebraic Expressions |
| Area, Perimeter and Volume | Quiz on Area, Perimeter and Volume |
| Comparing Quantities | Quiz on Comparing Quantities |
| Data Handling | Quiz on Data Handling |
| Decimals | Quiz on Decimals |
| Fractions | Quiz on Fractions |
| Basic Geometrical Ideas and Symmetry | Quiz on Basic Geometrical Ideas and Symmetry |
| Knowing Our Numbers | Quiz on Knowing Our Numbers |
| Understanding Elementary Shapes (2D and 3D Shapes) | Quiz on Understanding Elementary Shapes (2D and 3D Shapes) |
