Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi there. I'm Miss James and I'm so excited to be learning with you today. For this lesson, all you ...

Number lines can help you see where a number is compared to another number. You can create a number line that goes up to any number. You can then look at the part of the number line that's the most ...

Measure your hand. Create and use a line plot of hand span data to answer questions. Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Notice ...

Thousands of computers across the world are currently scouring the number line in a scavenger hunt for rare mathematical gems. Enthusiasts looking for larger and larger prime numbers, which are ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. From the time of Descartes (1596–1650 ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi, my name is Miss James and I can't wait to find out just how clever you are in our lesson today. For ...