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Worksheet
Curated OER

Missing Number Addition

For Students 1st - 2nd
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
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Lesson Plan
Curated OER

Using Math Vocabulary

For Teachers 1st - 3rd
Students discover the vocabulary of math. They compare numbers using the symbols greater than (>) and less than (<) and use ordinal numbers to determine place or location. They use worksheets imbedded in this lesson to practice.
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Lesson Plan
Curated OER

Who's In The Fact Family?

For Teachers Pre-K - 2nd
Students study related addition and subtraction facts. In this math lesson, students use related addition and subtraction to solve problems. Students use manipulatives to explore fact families.
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Worksheet
Curated OER

One digit addition problems

For Students 1st - 2nd
In this addition worksheet, students solve the one digit addition problems for the sums and missing addends. Students complete 10 multiple choice questions.
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Worksheet
Curated OER

Missing Number Sum Activity

For Students 1st - 3rd
In this missing number worksheet, students fill in missing addends to reach the sum of 19, 8 problems total, then answer additional related questions.
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Worksheet
Curated OER

Basic Addition Practice: Missing Items

For Students 1st - 2nd
For this addition worksheet, students complete "picture" math sentences, then complete the number problem. Students view a card with a number of dots on it and a problem with a missing addend. Students draw the number of dots necessary...
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Printables
Curated OER

Common Core State Standards 1st Grade Math

For Teachers 1st Standards
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...