Number and Number Relations: Lesson 9
Eighth graders add and subtract integers and solve real-life problems involving integers. They practice with many different problems in order to master this skill. They write expressions to help solve word problems.
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Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes a...
5th - 8th Math CCSS: Adaptable
Math 7 Study Guide for Number Sense and Operations: Quiz 1
This number sense and operations study guide provides notes and explanations as well as practice problems. In order to practice their math skills, learners write fractions as decimals, identify which number set a number belongs to, take...
7th - 8th Math CCSS: Adaptable
Summarizing Bivariate Categorical Data in a Two-Way Table
Be sure to look both ways when making a two-way table. In the lesson, scholars learn to create two-way tables to display bivariate data. They calculate relative frequencies to answer questions of interest in the 14th part of the series.
8th Math CCSS: Designed
Solve Ratio Problems Using Double Number Lines
Organization is the best way to make sure that ratios are set up correctly to be proportional. This video reviews how to solve ratio problems with addition and multiplication, shown in more detail in the prior two videos of this series,...
4 mins 5th - 8th Math CCSS: Designed
Add Rational Numbers Using Algorithms and Number Lines
Remind number crunchers that integers and rational numbers are related by using the Venn diagram shown in this video. It applies what students have learned about integers to all rational numbers. Reviewing absolute value, it shows how to...
4 mins 6th - 8th Math CCSS: Designed
Create Zero Pairs Using Integer Chips
Using integer chips, the video creates zero pairs with yellow positive chips and red negative chips. Help learners understand how to combine opposite quantities to make zero. The video applies this concept with helium, a common element...
3 mins 6th - 8th Math CCSS: Designed