DK Find Out! Adding and Subracting
DK

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

Math Game Time: Count the Sheep II
Math Game Time

The sheep are coming and going. It’s your job to keep track of how many are still in the barn.

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

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

Illuminations: Fact Families
Illuminations (National Council of Teachers of Mathematics)

In this lesson, the relationship of addition to subtraction is explored with books and with connecting cubes.

Illuminations: Seeing Doubles
Illuminations (National Council of Teachers of Mathematics)

In this lesson, the students focus on dominoes with the same number of spots on each side and on the related addition facts.

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.

Illuminations: Finding Fact Families
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students explore the relation of addition to subtraction with books and links.

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?