Estimation Warm Up

​Estimation Warm Up

​For the following questions we will round to the nearest whole number.

Multiple Choice

Your teacher wants to buy six books that cost $11.85 each. Which of the following is the best estimation?

In the next slide you will be asked if this Is this an overestimation or underestimation.

• 11 x 6

• 12 x 6

• 10 x 6

Multiple Choice

Was the last question an overestimation or underestimation?

• overestimation

• underestimation

Open Ended

A cashier told Samantha that her total for 3kg of grapes at $3.39/kg was $11.97. How would you use estimation to know if the cashier had made a mistake?

Fill in the Blanks

Estimate the product by using rounding:

2.4 x 5 =

Fill in the Blanks

Estimate the product by using rounding:

0.8 x 6 =

Fill in the Blanks

Estimate the product by using rounding:

7.89 x 3 =

Fill in the Blanks

Estimate the product by using rounding:

90.1 x 2 =

Fill in the Blanks

Estimate the product by using rounding:

3.15 x 4 =

Draw

Where's Waldo?