Mental Math

4,63,457 + ________________= 4,63,457

• 1,00,000

• 0

82547 + (35458 +10000) = (82547 + _________________) + 10000

• 35458

• 34558

A change in the order of the addends does not change the sum.

• Associative Property

• Commutative Property

A change in the grouping of the addends does not change the sum

• Associative Property

• Identity Property

Mrs. Khanna has Rs. 8,28,050 in her bank account. She spent Rs. 4,57,375 to buy a new car. How

much money is left in her bank account? What type of sum is this?

• Division

• Subtraction

In Mr. Roy's orchard there are 2714 rows of trees with 68 trees in each row. How many trees does he have altogether ? Identity the type of operation to solve the sum.

• Multiplication

• Addition

Dividend = Divisor X Quotient + _______________________

• Remainder

• Difference

Divide 2782 by 1000 and calculate Quotient and Remainder by identifying the right option

• Q 20 R 772

• Q 2 R 782

How many 100 rupee notes can one get for Rs. 6000 ?

• 600

• 60

288 X 1000 = ____________

• 2880

• 288000