Unit 1 Review

What number do you need to add to +6 to get 0? _____

Tags

CCSS.7.NS.A.1B

A helium atom has no charge if it has 2 protons (+) and 2 electrons (-). Which expression best represents this helium atom with no charge?

Tags

CCSS.7.NS.A.1A

Which of these situations can be represented by the opposite of -5?

• A fish dives 5 feet below sea level

• Mike earns $5

• The football team lost 5 yards.

• Susan owes her friend $5

Tags

CCSS.6.NS.C.5

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

CCSS.5.NF.B.3

A survey found that only 4 out of 9 people floss their teeth daily. Write the fraction as an equivalent decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Select all the sums that are positive.

Tags

CCSS.7.NS.A.1C

Sam plays a matching game. In order to go to the next level, he must score at least 10 points. He scores 18 points for correct matches and -6 points for incorrect matches. Did Sam make it to the next level?

• Yes

• No

Tags

CCSS.7.EE.B.3

Which model represents 3 + (-1)?

• 
• 
• 
• 

Tags

CCSS.7.NS.A.1B

What addition expression does this number line show?

• None of these

Tags

CCSS.7.NS.A.1B

Tags

CCSS.7.NS.A.1C