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Worksheet
Curated OER

Subtraction Tables

For Students 1st - 2nd Standards
With several numbers already filled in, this math worksheet is sure to help your first graders with their subtraction. Three grids prompt learners to finish certain subtraction problems and fill in the answers. A great way to reinforce...
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Lesson Plan
Curated OER

Let's Trade

For Teachers 2nd
Second graders engage in a instructional activity which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
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Lesson Plan
Curated OER

The Mystery of the Missing Hummingbirds

For Teachers 1st - 2nd
Students record scientific observations in a science journal.  In this season lesson, students make observations about each of the seasons and record in their journals.  Students record organisms response to seasonal changes such as...
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Worksheet
K12 Reader

The Product-Quotient Connection

For Students 2nd - 3rd Standards
How are multiplication and division connected? Read a passage about inverse operations to find out how you can use products and quotients to check your work when completing an equation from the opposite operation.
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Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
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Worksheet
Curated OER

How Many More Do You Need

For Students 1st - 2nd
In this missing addends worksheet, students draw additional train cars to the existing picture to complete each addition sentence with a missing addend. Students also fill in the missing number.

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