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Fact families

In this lesson, the fifth of a six-part unit from Illuminations, students use books and connecting cubes to explore the relationship of addition to subtraction. Students search for related addition and subtraction facts for a given number using a virtual... (Learn more)

Format: lesson plan (grade 1–2 Mathematics)

Provided by: Illuminations

Fact family fun

In this lesson, one of a six-part unit from Illuminations titled “How Many More Fish?,” the relation of addition to subtraction is explored with fish-shaped crackers. The students search for related addition and subtraction facts for a given... (Learn more)

Format: lesson plan (grade 1–2 Mathematics)

Provided by: Illuminations

Finding fact families

In this lesson, one of a seven-part unit from Illuminations titled “Links Away,” students explore the relation of addition to subtraction. Then the children search for related addition and subtraction facts for a given number. They also investigate... (Learn more)

Format: lesson plan (grade 1–2 Mathematics)

Provided by: Illuminations

Practice makes perfect

In this lesson, one of a seven-part unit from Illuminations titled “Links Away,” students focus on differences of numbers from 10. Students use a real or virtual calculator and play a concentration game. (Learn more)

Format: lesson plan (grade 1–2 Mathematics)

Provided by: Illuminations

Who's in the fact family?

In this lesson, the fifth of a six-part Illuminations unit titled “Macaroni Math,” students explore the relation of addition to subtraction. Students use problem-solving skills to find fact families, including those in which one addend is zero... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations