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Building sets of 15 and 16

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 20,” students explore the numbers 15 and 16. They make and decompose sets of 15 and 16, write the numerals 15 and 16, and compare other sets to sets of 15 and... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of 17 and 18

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 20,” students explore sets of up to 18. They construct sets up to 18, write the numerals 17 and 18, and model 17 and 18 with bean sticks, cubes, and ten frames. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of 19 and 20

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 20,” students explore sets of 19 and 20. They count up to 20, construct and decompose sets up to 20, and record the decompositions. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of eight

This Illuminations lesson is the fifth of an eight-part unit titled “Count to 10.” In this lesson, students explore the number 8. They make and decompose sets of eight, write the numeral 8, and compare sets of up to eight objects. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of nine

This Illuminations lesson is the sixth of an eight-part unit titled “Count to 10.” In this lesson, students construct sets of up to nine items, write the numeral 9, and record nine on a chart. They also play a game that requires identifying... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of seven

This Illuminations lesson is the fourth of an eight-part unit titled “Count to 10.” In this lesson, students construct and identify sets of seven objects. They compare sets of up to seven items, and record a set of seven in chart form. Reasoning... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of six

This Illuminations lesson is the third of an eight-part unit titled “Count to 10.” In this lesson, students construct sets of six, compare them with sets of a size up to six objects, and write the numeral 6. They also show a set of six on a... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Building sets of ten

This Illuminations lesson is the seventh of an eight-part unit titled “Count to 10.” In this lesson, students explore sets of up to 10 items and practice writing the numbers 0 through 10. Students count back from 10, identify sets of up to 10... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Button trains

This Illuminations lesson is the first of an eight-part unit titled “Begin with Buttons.” In this lesson, students describe order by using vocabulary such as before, after, and between. They also review and use both cardinal and ordinal numbers.... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Count to 10: Wrapping up the unit

Students review by creating, decomposing, and comparing sets of zero to 10 objects and by writing the cardinal number for each set. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Counting back

This lesson, one of a six-part unit from Illuminations titled “How Many More Fish?,” students count to compare plates of fish-shaped crackers then record the comparison in vertical and horizontal format. They apply their skills of reasoning... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Counting back and counting on

In this lesson, the first of a seven-part unit from Illuminations, students model subtraction with connecting cubes while the teacher reads to them from counting books. Then students make a train of connecting cubes and write in vertical and horizontal... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Counting back and counting on

This lesson, one of a six-part unit from Illuminations titled “Links Away,” focuses on the counting model for subtraction. Students model numbers as a counting book is read. They then make a chain of links and write in vertical and horizontal... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Counting to find sums

This lesson, one of a six-part unit from Illuminations titled “Do it with Dominoes,” focuses on the “counting” model for addition and begins with reading a counting book. Students model the numbers with counters as the book is read.... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Exploring sets through math-related book pairs

This ReadWriteThink lesson integrates reading, writing, viewing, and visually representing mathematical ideas while simultaneously strengthening home-school communication. The two math-related books used give real-world contexts to the strategy of grouping... (Learn more)

Format: lesson plan (grade K–2 English Language Arts and Mathematics)

Provided by: ReadWriteThink

Finding four

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 5,” students explore the number four. They make sets of four, write the numeral 4, and compare sets of four to sets of one, two, and three. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Focus on two

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 5,” a nursery rhyme provides a context for using the number two. Students make groups of two, write the numeral 2, and record a group of two on a personal recording... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Here's a handful

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 5,” students construct sets of up to five items, write the numeral 5, identify sets of five, and record “5” on a chart. They also play a game that... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

How many buttons?

This Illuminations lesson is the third of an eight-part unit titled “Begin With Buttons.” In this lesson, students review classification, make sets of a given number, explore relationships between numbers, and find numbers that are one more... (Learn more)

Format: lesson plan (grade K–1 Mathematics)

Provided by: Illuminations

How many ways?

In this lesson, the second of a six-lesson unit from Illuminations, students estimate the value of collections of pennies, nickels, and dimes. They then determine the exact amount by exchanging sets of pennies or nickels for dimes. As an extension, they... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations