Unit 1 Overview: Pre-Algebra

What is |-14| ?

• -14

• 14

• -7

• 7

• 1/14

A group of marine biologists on a marine expedition recorded the altitudes at which they found four animals. Which inequality correctly compares the altitudes at which they found the animals?

Creature Altitude (feet)

great white shark -430

sea urchin -452

sea turtle -502

garden eel -396

• sea turtle < sea urchin < great white shark < garden eel

• garden eel < sea urchin < great white shark < sea turtle

• great white shark < sea urchin < sea turtle < garden eel

• sea turtle < great white shark < sea urchin < garden eel

The elevations of five points below sea level are given here. Which elevation is closest to sea level?

• -50 feet

• -68 feet

• -77 feet

• -86 feet

To make lemonade, Kate uses 1 cup of lemon juice and 2 cups sugar. If she makes a larger amount of lemonade with 10 cups of sugar, how many cups of lemon juice does she need?

• 20

• 19

• 10

• 5

• 4

What is 10⁰ + 10¹ + 10² equal to?

• 10,201

• 120

• 111

• 110

• 100