Simplifying Expressions and Operations

Simplifying Expressions and Operations

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Practice Problem

Hard

CCSS
8.EE.A.2, 6.EE.A.2C, 5.NF.B.6

+4

Standards-aligned

Created by

Ethan Morris

FREE Resource

Standards-aligned

CCSS.8.EE.A.2
,
CCSS.6.EE.A.2C
,
CCSS.5.NF.B.6
CCSS.HSA.APR.D.6
,
CCSS.7.NS.A.1C
,
CCSS.7.EE.A.1
,
CCSS.1.NBT.C.5
,
The video tutorial explains how to simplify rational expressions by focusing on the numerator and denominator separately, avoiding simplification across addition or subtraction. It provides detailed steps for simplifying two expressions, emphasizing the importance of understanding square roots and division in the process.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important not to simplify across addition or subtraction in rational expressions?

It is too complex to perform.

It is mathematically incorrect.

It makes the expression longer.

It changes the value of the expression.

Tags

CCSS.HSA.APR.D.6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying a rational expression?

Simplify the numerator and denominator completely.

Perform the division immediately.

Add the terms together.

Subtract the terms.

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of nine?

Three

Two

Five

Four

Tags

CCSS.7.NS.A.1C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of negative 12 plus three?

Zero

Negative 3

Negative 9

Negative 15

Tags

CCSS.6.EE.A.2C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified form of the first expression?

Negative 5

Negative 4

Negative 3

Negative 2

Tags

CCSS.7.EE.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't we simplify the 30 and 10 in the second expression initially?

They are not divisible.

They are not like terms.

They are separated by subtraction.

They are already in simplest form.

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 100?

Nine

Eight

Eleven

Ten

Tags

CCSS.1.NBT.C.5

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