Math Quiz 2.4-2.6

Which number is equivalent to 1.58 + 0.437?

• 0.595
• 1.495
• 1.917
• 2.017

Mario is multiplying two decimal numbers. His work so far is shown in the box to the right. What should Mario do in order to complete his work correctly?
 
    45.36
x    0.07
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻
  31572

• Place a decimal in the product between the 3 and the 1.
• Place a decimal in the product between the 1 and the 7.
• Place a decimal in the product between the 7 and the 5.
• Place a decimal in the product between the 5 and the 2.

   16.619 + 17.827

• 34.456
• 34.446
• 34.436
• 1.208

1.6 + 5.867

• 7.457
• 8.467
• 4.267
• 7.467

6.29 - 4.73

• 11.02
• 2.56
• 1.56
• 1.46

20.94 - 18.946

• 2.004
• 1.894
• 39.886
• 1.994

7.62 x 10

• 7620
• 762
• .762
• 76.2

3.97 x 100

• 397
• 39.7
• 3970
• .397

2.6 x 1.7

• 44.2
• 4.042
• 4.42
• 4.3

1.6 + 0.2

• 3.6
• 36
• 18
• 1.8