05.08.2025 Fractions

Multiple Choice

Think: When adding or subtracting fractions, what must be true about their denominators?

Pair-Share: So, what happens when they are different?

(15 seconds each)

• They must be the same

• They must be different

• They must be prime numbers

• They must be even numbers

Multiple Choice

Which of the following steps is NOT necessary when subtracting unlike fractions?

• Find a common denominator

• Rewrite the fractions with the common denominator

• Add the numerators

• Subtract the numerators

Open Ended

Explain how you would solve the story problem about Nick's homework time. What steps would you take to find the total hours?

Math Response

How many hours did Nick take to complete his homework altogether?

WHITEBOARD

Type answer here

Correct Answer: 3\frac{1}{4}

Deg^°

Rad

Multiple Choice

Which of the following equations represents the amount Emily still needs to walk after dinner to meet her target distance?

• 4/5 - (2/5 + 1/4)

• 4/5 + 2/5 + 1/4

• 4/5 - 2/5 - 1/4

• 4/5 + (2/5 - 1/4)

Multiple Choice

How much more does she need to walk after dinner if she wants to meet her target distance?

• 1/10 mile
• 3/20 mile
• 1/2 mile
• 2/5 mile

Fill in the Blank

Turn N' Talk:

What strategy will you use on the Mixed Fractions before showing your steps?

Show ALL your work on your Whiteboard

STEM: Winter storm Winifred dropped _______ inches of snow in Boulder and Chicago combined. I know this because...

Multiple Choice

On Monday, Caroline spent 2/3 hour (hr.) riding her bike and 1 3/4 hours doing homework.

How many more hours did Caroline spend doing homework than riding her bike?

Independent Work

• 1 1/12 hr
• 1 1/4 hr
• 2/3 hr
• 1/2 hr

Multiple Choice

An equation is modeled on the number line. Which equation does this model represent?

• 7/8 - 1/4 = 6/8

• 7/8 + 1/4 = 9/8

• 7/8 - 1/4 = 5/8

• 7/8 + 2/8 = 9/16

Open Ended

What fraction of the notebook paper did Mr. Connors use during all three months?

Open Ended

Based on the learning goal described, what strategies should you use to add and subtract fractions with unlike denominators?

Multiple Choice

What is the most important step to take before adding or subtracting fractions with different denominators?

• Find the lowest common denominator

• Add the numerators directly

• Multiply the denominators

• Subtract the denominators

Open Ended

What questions do you still have about adding and subtracting fractions, or is there anything you would like to know more about this topic?