Mental Math

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Across
  1. 4. Arrange them vertically and solve 47621 + 23140
  2. 6. I am the result obtained after multiplying the multiplier with multiplicand.____________
  3. 7. 9 hundreds multiply by 200 is _____________.
  4. 8. Solve: 6397 + 1200 - 2361
  5. 11. Seven lakh forty three thousand and seven.
  6. 12. We are two numbers 42 and 68.If you round off us to nearest tens, the product of rounding off numbers we get us in 4-digit.Who am I?
  7. 13. 50 tens less than 7500 is ___________.
  8. 14. The predecessor of 4628 is __________.
Down
  1. 1. Multiplication is also know as repeated _______________.
  2. 2. The place value of the 8 in the number 9,85,621 is _________.
  3. 3. 420 x 1 = 1 x 420 observe an example and identify theproperty used.__________
  4. 5. 1 more than greatest 5-digit number is _______________.
  5. 8. The sum of the successor of 2761 and place value of 3 in 3700 is ___________.
  6. 9. Round off the number 6376 to nearest 100.
  7. 10. I am a number 92, multiply me with smallest 2-digit number and find my product