Rounding Whole Numbers Christopher Woods Content Area Mathematics

Rounding Whole Numbers Christopher Woods

• Content Area: Mathematics • Grade Level: 3 • Summary: The purpose of this instructional Power. Point is to give students the opportunity to learn about rounding with whole numbers. • Learning Objective: Given an equation, students will be able to accurately round whole numbers to the nearest tens or hundreds place with 100% accuracy. • State /Common Core & ISTE Standard: – CCSS. Math. Content. 3. NBT. A 1: Use place value understanding to round whole numbers to the nearest 10 or 100. – Technology operations and concepts • Understand use technology systems

Let’s Review How to Round. 65 = 70 If the number is 5 or more, then you round up. 54 = 50 If the number is 4 or less, then you round down. For further review: Rounding to the Nearest Ten

Let’s Review (Quiz) Question 1 • Question: What is 25 rounded to the nearest tens place? – A. 15 – B. 20 – C. 30 – D. 35

Uh Oh! • Nice Try! Make you round in the correct place value.

Try Again! • Don’t forget only if the number is 4 or less should you round down.

C • Great Job! That’s correct!

Whoops! • You rounded up too high, give it another try.

Now let’s move on to the hundreds place • As a reminder, the same rules apply for the hundreds place as the tens place.

Question 2 • Question: What is 310 rounded to the nearest hundreds place? – A. 320 – B. 300 – C. 290 – D. 400

So Close… • Nice Try! Don’t forget 4 or less, then let it rest.

Way to go Super Star! • That’s correct!

Oops… • Nice Try! Have another go!

Oh No! • You rounded up too high, give it another try.

Question 3 • Question: Maria has 12 blueberries she picked from a blueberry bush, how many blueberries does Maria have rounded to the nearest tens place. – A. 15 – B. 25 – C. 20 – D. 10

Almost There! • Nice Try! Try it again.

Nice Try! • Reread the question, Maria only has 12 blueberries.

Oh No! • Don’t forget, if its 4 or less then you round down.

Awesome! • Great Job! That’s correct!

Summary • Great Job Today! • Today we learned about how to round whole numbers to the tens and hundreds places. • Remember If the number is 4 or less then let it rest. But if the number is 5 or more then let it sore. • Continue practicing and you’ll be a rounding master. Here’s a fun game to play for more practice. • Soccer Math