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Worksheet: Number Sense | Mathematics Olympiad Class 4 PDF Download

Expand the Numbers

Q1. Expand the number 4,573.
Q2. Write 8,421 in expanded form.
Q3. Expand the number 6,305.
Q4. What is the expanded form of 9,134?
Q5. Expand the number 7,892.

Practice Questions

Q1. What is the sum of 45 and 32?
Q2. If you have 15 apples and you give away 7, how many apples do you have left?
Q3. There are 4 baskets with 6 apples each. How many apples are there in total?
Q4. Divide 56 by 7. What is the result?
Q5. If you start with the number 5 and add 3 three times, what number do you get?

Fill in the Blanks

Q1. Number sense refers to the group of skills that allow children to work with ________.
Q2. Number sense involves understanding the ________ of numbers.
Q3. Children with good number sense can easily compare numbers and determine which one is ________.
Q4. Having a strong number sense helps children solve problems ________.
Q5. The Hindu-Arabic numeral system is the basis for the numerical digits we use ________.

Match the Column

Match the skills related to number sense with their descriptions.

Worksheet: Number Sense | Mathematics Olympiad Class 4

True or False

Q1. 10 is greater than 5. _______
Q2. The sum of 8 and 7 is 14. _______
Q3. 20 divided by 4 is equal to 5. _______
Q4. If you subtract 9 from 18, you get 8. _______
Q5. 6 multiplied by 3 equals 18. _______
Q6. The number 50 is less than the number 30. _______
Q7. When you add 6 and 9, the result is 16. _______
Q8. The difference between 15 and 10 is 5. _______
Q9. 7 times 5 is equal to 35. _______
Q10. 100 divided by 10 equals 15. _______

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