Curated OER
Justifying Answers
Students demonstrate how to solve word problems. In this problem solving instructional activity, students use strategies such as drawing pictures, using counters, and making a table to justify how they solved the word problem.
Curated OER
Inverse Relationship Between Addition and subtraction
First graders review number facts to illustrate the relationship between addition and subtraction. In this inverse relationship lesson plan, 1st graders write an addition sentence and then invert the numbers to show the subtraction fact.
Curated OER
Calculator
Students explore the calculator utility function on a Macintosh computer. In this calculation lesson, students launch the calculator feature and complete a problem solving worksheet.
Curated OER
Subtraction Problems
In this subtraction practice worksheet, students count the 3 sets of pictured items to aid them in solving 1-digit subtraction problems.
Curated OER
Simple Subtraction with Shapes
In this simple subtraction with shapes worksheet, student use the pictures to solve three simple subtraction problems and write the answer.
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Subtraction practice
In this subtraction worksheet, learners complete subtraction problems involving one digit numbers. Students complete 21 problems on 2 pages.
Curated OER
Magic Math Morning Work
In this doubles addition worksheet, learners add doubles of one digit numbers up to the number 10. Students complete 10 addition problems.
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Magic Math: sums of 2
In this addition instructional activity, students add one digit numbers to the number 2 and check it with the subtraction fact. Students complete 10 problems.
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Magic Math Morning Work
In this fact families worksheet, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
Curated OER
Math Lesson Plan: Pumpkin Addition and Subtraction
Pupils practice their addition and subtraction skills. In this seasonal math lesson, students create pumpkin worksheets that may be used to practice addition and subtraction number sentences.
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Ten Pennies
Students play logic and strategy games with pennies. In this pennies worksheet, students play one game called 'From counting to arithmetic', and one called 'Counting and mental math'.
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Birdseed Mining
Students explore the meaning of mining. In this Science/Math activity, students engage in a small group activity to sort and calculate the value of seeds/beads. Additionally, they are made aware of environmental damages which will...
Curated OER
Circle Drill Speed Chart
In this math facts worksheet, students read about using the circle drill speed chart to practice addition facts, division facts, multiplication facts, and subtraction facts. Student use the blank charts to practice the skill.
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Number Dribble
Students dribble and catch a ball. In this number dribble lesson students are given numbers and math equations that require them to dribble or throw the ball a specific number of times. The students practice dribbling independently and...
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How Much Do We Save?
Students use coupons to save. In this saving lesson students practice their addition, multiplication and estimating skills with dollars and cents. They investigate grocery coupons and look for ways to save money.
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Part-Part-Whole
First graders work with partners, using cubes to make addition sentences. In this math lesson, 1st graders separate cubes into 2 parts and discuss the relationship to addition sentences. Students practice separating cubes. Students make...
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Part Part Whole
First graders solve number sentences. In this problem solving lesson, 1st graders construct addition sentences using a part part whole mat. Students demonstrate problem solving strategies using cubes.
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Carrying to Tens
in this addition worksheet, students read about carrying tens, then complete 13 problems, circling cubes as directed and solving. A website reference is given for additional activities.
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Missing Number Sum Activity
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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Grade 1 Math Test
In this grade 1 math test activity, 1st graders complete a 30 question multiple choice quiz covering a variety of grade 1 concepts.
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Balancing Discoveries
Students use a balance to help them with their addition facts. In this addition lesson plan, students also play the seven up game to memorize their facts.
Pennsylvania Department of Education
Order, Order
Learners use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.
Pennsylvania Department of Education
The Weight of Things
Students explore weight. In this math instructional activity, students predict which item weighs more and discuss how they arrived at their decision. Students weigh several items to determine which weighs more.
Curated OER
Calculating Cats
First graders are introduced to calculators. They complete a variety of math problems using calculators and identify basic parts on a calculator.
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