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4th Grade Mental Math on Numbers
In 4th grade mental math on numbers, students can practice different questions on numbers in figures, number name, place value, face value, comparison of number and formation of greatest and smallest numbers.
1. Write the predecessor of the smallest 7-digit number.
2. Write 'six lakh, nine hundred' in figures.
3. Write the face-value of 9 in 2,61,906.
4. Write the place-value of 2 in 6,52,694.
5. Write the short form of 8,00,000 + 3,000 + 90 + 3
6. How many 3-digit numbers are there?
7. How many thousands are there in ten lakhs?
8. The place-value and the face-value of 0 is always 0. Is it true?
9. Write the greatest 5-digit number using three different digits.
10. Which is the greater: 5,69,502 or 5,69,513?
Answers:
1. 999999
2. 6,00,900
3. 9
4. 2,000
5. 8,03,093
6. 900
7. 1,000
8. No
9. 99876
10. 5,69,513
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