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### Tracing and Drawing

Pre-K-2

In this lesson, students continue to discuss attributes of triangles. They trace and draw triangles individually. Students recognize objects in their environment that are shaped like triangles and explain to the class how they recognized the shape.### Geoboards

Pre-K-2

Students use appropriate vocabulary to describe shapes to their classmates. Students focus on the properties of shapes to develop mental images of objects from descriptors. They create multiple representations of triangles using geoboards, string, and crayons and paper.### Focus on Two

Pre-K-2

A nursery rhyme provides a context for using the number 2. Students make groups of two, write the numeral 2, and record a group of two on a personal recording chart. ### Three in a Set

Pre-K-2

In this lesson, students construct sets of three, compare them with sets of two, and write the numeral 3. They also show a set of three on their recording chart. ### One, Two, Three--Go

Pre-K-2

After reviewing the numbers 2 and 3, students construct and identify sets of one. They compare sets of one, two, and three objects and record a set of three in chart form. ### Finding Four

Pre-K-2

Students explore the number 4. They make sets of four, write the numeral 4, and compare sets of four to sets of one, two, and three.### Here's a Handful

Pre-K-2

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 requires recognizing the numerals to 5. This lesson provides opportunities for connecting mathematics with music.### Zero Our Hero

Pre-K-2

Students explore sets of zero items and practice writing the numbers 0 through 5. Students count back from five, identify sets of up to five items, and record "0" on a chart. They also construct sets of up to five items. ### Finding Addition Patterns

Pre-K-2

A game encourages students to find the sums of two one-digit numbers. Students explore commutativity and examine patterns on an addition table. They then use a personal addition chart to record and keep track of known facts. ### Finding Sums to Six

Pre-K-2

In this lesson, students discover the role of the additive identity and explore sums to six. They continue to complete their personal addition charts.