NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Curated OER
Ordering and Computing with Negative Fractions and Decimals
Seventh graders explore the concept of computing negative fractions and decimals. In this negative fractions and decimals lesson, 7th graders compare ordering positive fractions to ordering negative fractions. Students use mirrors to see...
Curated OER
How Much is a Name Worth?
Second graders listen to a read aloud of Yangsook Choi's, The Name Jar. First, they estimate how much their name is worth based on the teacher's example. They assign numeric values to the letters of the alphabet in order to compute the...
Curated OER
Invitation To Integers
Students find zero pairs and add integers using zero pairs and a number line. They generalize rules for adding integers. The class view approximately 10 minutes of video divided into three segments.
Curated OER
Bell Curve
Students explain normal distribution of a measurable characteristic within a group of objects. They create two graphs (one for each type of Hershey's Kiss) with increments of measurement on the X-axes and number of measurements on the...
Curated OER
Sampling Rocks
Students examine how to take a sample by looking at rocks in the schoolyard. In this sampling activity, students discuss ways to classify rocks by color, size, and weight. They think about how many rocks would make a good sample of...
Curated OER
Bell Curve
Students explore averages by completing a data analysis activity. In this bell curve lesson, students measure different food items and plot their measurements on a X and Y axis. Students create bell curves around the average weight or...