Class 4 Exam > Class 4 Notes > Mathematics Olympiad Class 4 > Worksheet Solution: Number Sense
Worksheet Solution: Number Sense | Mathematics Olympiad Class 4 PDF Download
| Table of contents |
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| Expand the Numbers |
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| Practice Questions |
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| Fill in the Blanks |
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| Match the Column |
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| True or False |
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Expand the Numbers
Q1. Expand the number 4,573.Ans: 4,000 + 500 + 70 + 3
Solution: 4,573 = 4,000 + 500 + 70 + 3
Q2. Write 8,421 in expanded form.
Ans: 8,000 + 400 + 20 + 1
Solution: 8,421 = 8,000 + 400 + 20 + 1
Q3. Expand the number 6,305.
Ans: 6,000 + 300 + 5
Solution: 6,305 = 6,000 + 300 + 5
Q4. What is the expanded form of 9,134?
Ans: 9,000 + 100 + 30 + 4
Solution: 9,134 = 9,000 + 100 + 30 + 4
Q5. Expand the number 7,892.
Ans: 7,000 + 800 + 90 + 2
Solution: 7,892 = 7,000 + 800 + 90 + 2
Practice Questions
Q1. What is the sum of 45 and 32?Ans: 77
Solution: 45 + 32 = 77
Q2. If you have 15 apples and you give away 7, how many apples do you have left?
Ans: 8
Solution: 15 - 7 = 8
Q3. There are 4 baskets with 6 apples each. How many apples are there in total?
Ans: 24
Solution: 4 x 6 = 24
Q4. Divide 56 by 7. What is the result?
Ans: 8
Solution: 56 ÷ 7 = 8
Q5. If you start with the number 5 and add 3 three times, what number do you get?
Ans: 14
Solution: 5 + 3 + 3 + 3 = 14
Fill in the Blanks
Q1. Number sense refers to the group of skills that allow children to work with ________.Ans: numbers
Q2. Number sense involves understanding the ________ of numbers.
Ans: concept
Q3. Children with good number sense can easily compare numbers and determine which one is ________.
Ans: greater or smaller
Q4. Having a strong number sense helps children solve problems ________.
Ans: mentally
Q5. The Hindu-Arabic numeral system is the basis for the numerical digits we use ________.
Ans: today
Match the Column
Match the skills related to number sense with their descriptions.
Ans:
True or False
Q1. 10 is greater than 5. _______
Ans: True
Q2. The sum of 8 and 7 is 14. _______
Ans: False
The sum of 8 and 7 is 15.
Q3. 20 divided by 4 is equal to 5. _______
Ans: True
Q4. If you subtract 9 from 18, you get 8. _______
Ans: False
If you subtract 9 from 18, you get 9.
Q5. 6 multiplied by 3 equals 18. _______
Ans: True
Q6. The number 50 is less than the number 30. _______
Ans: False
The number 50 is greater than the number 30.
Q7. When you add 6 and 9, the result is 16. _______
Ans: False
When you add 6 and 9, the result is 15.
Q8. The difference between 15 and 10 is 5. _______
Ans: True
Q9. 7 times 5 is equal to 35. _______
Ans: True
Q10. 100 divided by 10 equals 15. _______
Ans: False
100 divided by 10 equals 10.
The document Worksheet Solution: Number Sense | Mathematics Olympiad Class 4 is a part of the Class 4 Course Mathematics Olympiad Class 4.
All you need of Class 4 at this link: Class 4
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FAQs on Worksheet Solution: Number Sense - Mathematics Olympiad Class 4
| 1. How can I improve my number sense skills in Class 4? |  |
Ans. To improve number sense skills in Class 4, you can practice mental math, play math games, and use manipulatives to visualize numbers and operations.
| 2. What are some common strategies to solve number sense problems in Class 4? | |
Ans. Common strategies to solve number sense problems in Class 4 include using number lines, breaking numbers down into smaller parts, and estimating the answer before solving.
| 3. How can parents help their children develop number sense at home for Class 4? | |
Ans. Parents can help their children develop number sense at home by incorporating math into everyday activities, playing math games together, and encouraging a positive attitude towards math.
| 4. What are some key concepts to focus on for improving number sense in Class 4? | |
Ans. Key concepts to focus on for improving number sense in Class 4 include place value, addition and subtraction strategies, multiplication and division facts, and understanding fractions and decimals.
| 5. Are there any online resources or apps available to practice number sense skills for Class 4 students? | |
Ans. Yes, there are several online resources and apps available to practice number sense skills for Class 4 students, such as Khan Academy, Prodigy, and Math Playground. These platforms offer interactive games and activities to help students strengthen their math skills.
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