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### Ten Frame

Pre-K-2

The four games that can be played with this applet help to develop counting and addition skills.### Five Frame

Pre-K-2

The four games that can be played with
this applet help to develop counting and addition skills.### Making Tens: Finding Addends That Sum to Ten

Pre-K-2

In this lesson, students use 2 colors of snapping cubes and
other manipulatives to model addend pairs for the number 10. They explore the
different addend pairs, and play a game to apply their understanding.### ''Ten''ding the Herd: Counting Large Numbers by Tens and Ones

Pre-K-2

In this lesson, students work at stations where they
practice counting large numbers by grouping herds of cows into tens and
leftover ones, developing a deeper understanding of place value. The activities
involve the use of manipulatives, ten-frames, and the Illuminations online activity
*Grouping and Grazing.*

### Tallies, Ten Frames, and Baseball Games

Pre-K-2

Your home team can set the stage for students to make math connections. Students will record wins and losses in different formats to discover connections between many of the concepts taught earlier in the year. This lesson will provide daily and weekly practice with patterns, addition and subtraction equations, number models and math communication.### Seeing Double

Pre-K-2

In this lesson, students encounter the magical effect of reflection as they use a mirror to visually experience the concept of doubling quantities. This experience focuses student’s attention to using doubles as a strategy to make number operations easier, specifically addition. Literature is used as an introduction to provide a connection and motivation, a game is used for discovery and practice, and writing is used as closure to this lesson.### Makeshift Measurements

3-5

There are many common objects that come in standard sizes. Students
will verify measurements for some of these objects, use these objects
to determine the size or spacing of other objects, and suggest
additional objects that can be included in the class’ list of
"makeshift measures."### Building Sets of 19 and 20

Pre-K-2

Students explore sets of 19 and 20. They count up to 20, construct and decompose sets up to 20, and record the decomposition. ### Building Sets of Six

Pre-K-2

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 "10" Frame and on a recording chart.### Practice Makes Perfect

Pre-K-2

During this lesson, students use what they know about fact families to play a concentration game. They will also identify subtraction facts they need to learn.