youcubed: Dice Games (K-12)
youcubed (Stanford University)

This activity allows students to develop their number fluency and connect visuals with sums.

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: Counting to Find Sums
Illuminations (National Council of Teachers of Mathematics)

This lesson focuses on the counting model for addition and begins with reading a counting book.

Illuminations: Sum Search
Illuminations (National Council of Teachers of Mathematics)

During this lesson, students practice addition facts (with sums of 5, 6, 7, and 8) in a concentration-game format using dominoes.

Illuminations: Finding Sums to Six
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students discover the role of the additive identity and explore sums to six.

Illuminations: Some Special Sums
Illuminations (National Council of Teachers of Mathematics)

Students practice doubles and doubles-plus-one addition facts.