Mental Math Competition ,Grade 5

78.47 rounded to the nearest tenth is:

• 78.4

• 78.57

• 78.5

• 79

48 - 7.3 = .............

• 55.3

• 41.7

• 40.07

• 40.7

 $3,518\ \div\ 4\ =\ .............$  

• 897R2

• 879

• 879R2

• 897

Each table at a park seats 4 people. How many tables will 83 people at a family reunion need?

• 20 tables

• 21 tables

• 22 tables

• 19 tables

What is the value of of the digit in red?

6792

• 900

• 9

• 90

• 9000

For 8.5247, which number is in the hundredths place?

• 5

• 4

• 2

• 7

Compute mentally:

500 x 500

• 50,000

• 25,000

• 250, 000

• 500,000

How many digits will be behind the decimal in the product?

0.16 x 0.6

• 1

• 2

• 3

• 0

6.1477 + 2.03= ...............

• 8.1777

• 8.1377

• 6.3507

• 8.1480

The amount left over in a division problem is the .....................

• dividend

• divisor

• remainder

• quotient