## Events

DK Find Out! Adding and Subracting
DK

Adding and subtracting are both “operations” you can use to solve a problem.

DK Find Out! Math
DK

Learn about numbers, geometry, fractions, multiplication, averages, and other math concepts.

youcubed: Robot Stepper
youcubed (Stanford University)

It’s a good way for students to experience different patterns on a number line.

Illuminations: Using the Number Line to Compare
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students determine differences using the number line to compare lengths.

Illuminations: Hopping on the Number Line
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students generate sums using the number line model.

Illuminations: Hopping Backward to Solve Problems
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students determine differences using the number line to compare lengths.

Illuminations: Hopping Backward on the Number Line
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students generate differences using a number line model.

Illuminations: Where Will I Land?
Illuminations (National Council of Teachers of Mathematics)

In this lesson, the students find differences using the number line, a continuous model for subtraction.

Illuminations:
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students generate products using the number line model.

NRICH: Making Maths: Snake Pits
NRICH (University of Cambridge)

A game to make and play based on the number line.

NRICH: Incey Wincey Spider
NRICH (University of Cambridge)

You’ll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?

NRICH: Tug of War
NRICH (University of Cambridge)

Can you use the numbers on the dice to reach your end of the number line before your partner beats you?