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Worksheet
Curated OER

Estimate Sums and Differences

For Students 1st - 3rd
In this estimating sums and differences practice activity, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Estimate Sums

For Students 2nd - 3rd
In this estimating sums worksheet, students solve the six word problems using the information within the problem to estimate the sums.
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Worksheet
Curated OER

What Do You Think?

For Students 2nd - 3rd
In this estimating sums and differences worksheet, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be carrying and...
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Worksheet
Curated OER

Rounding to the Nearest Ten

For Students 2nd - 3rd
In this rounding worksheet, students complete the thought process sentences and round numbers to the nearest ten. Students round twenty-four problems.
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Worksheet
Curated OER

Rounding to Add

For Students 2nd - 3rd
In this rounding to add worksheet, students round addends to the nearest ten and estimate sums for 14 problems. One example is completed; a website reference is given.
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Worksheet
Curated OER

Rounding to Add

For Students 2nd - 3rd
In this rounding to add worksheet, students round addends to the nearest ten and estimate sums. A website reference for additional resources is given.
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Worksheet
Curated OER

Rounding to Add #2

For Students 2nd - 3rd
In this addition worksheet, students round addends to the nearest 10 to estimate sums. A website reference for additional resources is given. One example is completed for students.
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Lesson Plan
Curated OER

Study Buddies: Adding Decimals

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.

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