TEKS & Objectives

7.1 Mathematical process standards. The student uses mathematical processes to acquire and demonstrate mathematical understanding. The student is expected to:

7.1.A apply mathematics to problems arising in everyday life, society, and the workplace

We will apply mathematical thinking to problems arising in everyday life.

I will draw mathematical conclusions about quantities.

1. Complete warmup.

2. Revisit the next dollar up strategy.

3. Round to the next hundred.

How many pennies are in $1?

Highlight the box to reveal the answer.

100

So, if you take out the decimal in your Next Dollar UP warm up, you have been rounding UP to the next hundred.

$1.99 –> $2.00 is the same as 199 cents –> 200 cents.

The Next Dollar UP Strategy always involves rounding UP. But sometimes, you will need to round DOWN.

Here is an example…

What if you don’t have a number line?

4. Try it with money.

Round to the nearest hundred pennies (nearest dollar).

Careful: This is NOT Next Dollar Up. That always rounds up. Look carefully to see if you need to round up or down.

Let’s try these together.

5. Practice your skills.

Round and add
Three digit place value (with rounding)

6. “Rounding to the nearest Dollar”

7. Complete assignment at Brainzy.

….Hundreds, Tens and Ones (Interactive worksheet)

….Count Forward by Hundreds Maze #1

….Dino Fishing: Rounding Three-Digit Numbers to the Nearest Hundred

….Rounding Three-Digit Numbers Football

….

.. Look for the assignment with today’s date.

Find access codes here.

Bonus: Rounding to 100 dot-to-dot

Rounding color by number sea turtle

Classroom Resources

Extras

Rounding to the Nearest Hundred