Gallery OverviewAllow students who have a clear understanding of the content thus far in the unit to work on Gallery problems of their choosing. You can then use this time to provide additional help to students who need review of the unit’s concepts or to assist students who may have fallen behind on work.Gallery DescriptionsTemperature ChangesStudents solve a puzzle by using clues about the temperatures and temperature changes between several cities.Time ZonesStudents use integers to solve problems about times in different world time zones.Build ExpressionsPairs of students play a game in which they use cards to build two expressions that are as close in value as possible.Hexagon PuzzleStudents assemble triangular puzzle pieces by matching the problems and answers on their sides. When the puzzle is complete, the pieces will form a large hexagon.Equivalent ExpressionsStudents sort expressions into groups that have the same value.Are They Equivalent?Students decide when given expressions will have the same value as a − b.Graphical Addition and SubtractionThe locations of a and b on a number line are shown, and students must graph −a, −b, a − b, b − a, a + b,and −a − b.p and nStudents decide whether statements about a positive number p and a negative number n are true for all, some, or no values of p and n.

Gallery OverviewAllow students who have a clear understanding of the content in the unit to work on Gallery problems of their choosing. You can then use this time to provide additional help to students who need review of the unit’s concepts or to assist students who may have fallen behind on work.Problem DescriptionsMultiplication WebsStudents fill in the blanks to create expressions equal to the number in the center of the web.Number TreesStudents complete number tree puzzles.Are They Equivalent?Students decide when given expressions will have the same value as ab.Squaring and CubingStudents find solutions to simple equations and inequalities involving squares and cubes.Transforming TrianglesStudents investigate how a triangle changes when they multiply the coordinates of its vertices by positive and negative numbers.True or False?Students determine whether given statements about positive and negative numbers are true or false.Saving MoneyStudents use positive and negative numbers to make sense of changes to Lucy’s savings account.Altitude and TemperatureStudents explore how the air temperature changes as the height of an airplane changes.

Acquire a deeper understanding of the concept of proportionality. Concise definitions, detailed examples, and an interactive worksheet to apply what you have learned.

A "one star" geometry problem that requires problems solving skills where drawing a picture might help with the answer.

Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are available to print and the solutions are only a click away at MathsChallenge.net.

This activity is a lab investigation where students gather data about the masses of various solid objects found in a classroom. The students graph their data, compare their data, and draw conclusions about what kinds of materials contain more matter than others.

If a crisis has occurred in your community, reassure children that adults are working to keep them safe. Knowing how to call 9-1-1 is vital. Learn how 9-1-1 plays an important role during a crisis. Also included are resources to practice emergency preparedness in your home or classroom. [0:50]

Dive deeper into a 911 Operator's career and find out how this Helper assists in emergency situations. Make A Plan: Download, print and complete these resources to practice emergency preparedness in your home or classroom. [2:55]

If a crisis has occurred in your community, reassure children that adults are working to keep them safe. Many different types of medical professionals help during an emergency. Included are printable resources to practice emergency preparedness in your home or classroom. [0:50]

If a crisis has occurred in your community, reassure children that adults are working to keep them safe. Fire emergencies can happen without warning, but firefighters are there to help. Included are printable resources to practice emergency preparedness in your home or classroom. [0:45]

Dive deeper into a firefighter's career and find out how this Helper assists in emergency situations. Make A Plan: Download, print and complete these resources to practice emergency preparedness in your home or classroom. [3:00]

If a crisis has occurred in your community, reassure children that adults are working to keep them safe. Weather emergencies can be sudden, but Meteorologists are watching out for you. Also included are printable resources to practice emergency preparedness in your home or classroom. [0:45]

Dive deeper into a meteorologist's career and find out how this Helper assists in emergency situations. Make A Plan: Download, print and complete these resources to practice emergency preparedness in your home or classroom. [2:35]

Dive deeper into a paramedic's career and find out how this Helper assists in emergency situations. Make A Plan: Download, print, and complete these resources to practice emergency preparedness in your home or classroom. [2:55]

If a crisis has occurred in your community, reassure children that adults are working to keep them safe. Police officers respond to almost every type of emergency. Included with this video are printable child-friendly emergency forms. [0:45]

Dive deeper into a police officer's career and find out how this Helper assists in emergency situations. Make A Plan: Download, print and complete these resources to practice emergency preparedness in your home or classroom. [3:00]

We can all be helpers by speaking up when something is unfair. Included are discussion questions to accompany the video. [0:50]

Dive deeper into a teacher's career and find out how this Helper assists in emergency situations. Make A Plan: Download, print and complete these resources to practice emergency preparedness in your home or classroom. [4:00]

CK-12 Foundation's Middle School Math € Grade 6 Flexbook covers the fundamentals of fractions, decimals, and geometry. Also explored are units of measurement, graphing concepts, and strategies for utilizing the book's content in practical situations.

Solve a word problem with Mike and Padhu. This video focuses on valid methods of problem solving, including guess-and-check and modeling with manipulatives.