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Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Curated OER
Problem Solving with Multi-Step Number Stories
Pupils solve multi-step number stories. They create number models to solve number stories. Everyone chooses the appropriate operation to use after reading the problem, and then work in small groups to...
Curated OER
Area Applet
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
Alabama Learning Exchange
Estimation Station: Why Estimating is Better than Guessing
Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...
Baylor College
Your Energy Needs (BMR)
How many Calories one needs on a daily basis is dependent on a number of factors including gender, height, and activity level. In the third of seven lessons about energy and food, young nutritionists calculate the number of Calories...
Curated OER
The Happy Game
The Happy Game will make your students smile! They play this game to review basic math concepts such as, finish the pattern, even and odd numbers, addition, subtraction, and word problems. Tip: Use this PowerPoint as a template to create...
Curated OER
One Step Equations (Addition)
In this math worksheet, students solve 40 one step equations which involve addition. Example: 45 + n= 56. Students solve each equation and tell the value of the variable.
Curated OER
Adding and Subtracting for President's Day
In this adding and subtracting for President's Day worksheet, 3rd graders use the example to find a president's birthday on the calendar.
Curated OER
A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters
For this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Curated OER
Fun Math 14
In this finding the difference worksheet, students subtract two-and three-digit numbers from three-digit numbers on a worksheet with a clip art next to each problem. Students solve 15 problems.
Curated OER
Math on a Roll
Learners practice various math skills using a polyhedral die. In this dice game lesson, students practice multiplication, addition, place value, and money using games. Standard dice may be used instead of a polyhedral die with...
Curated OER
Subtraction of 3 Digit Numbers with Regrouping
In this subtraction worksheet, students solve 25 problems in which 3 digit numbers are subtracted with regrouping. Students also use addition to check. This page was intended to be an online activity, but can be completed with pencil and...
Curated OER
Adding and Subtracting Fractions
Third graders practice adding and subtracting fractions. In this addition lesson, 3rd graders use paper fraction kits made from colored construction paper and complete several fraction problems on the chalkboard.
Curated OER
One and Two digit addition
In this addition instructional activity, students add one and two digit numbers together with and without regrouping. Students complete 6 addition problems.
Curated OER
Solving Word Problems
In this math worksheet, students read and analyze 14 real life word problems. Students decide on a strategy and perform the basic addition or subtraction operation. Some can be calculated mentally.
Curated OER
4-Digit Problem Solving: Add and Subtract
For this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Curated OER
Near Doubles Fruit Salad
In this addition and subtraction activity, students solve 4 problems. They are required to fill in the blank in addition sentences and subtract 1 from the sum to complete the second part of each problem.
Curated OER
Multiplication Facts for 2, 5, and 10
Students improve their multiplication skills by completing the multiplication equations for facts 2, 5, and 10. In this multiplication facts lesson, students use different colored markers to mark on a number line and skip count by 2s....
Curated OER
Decimals for Lower Elementary
Students investigate decimal operations, including addition and subtraction. They participate in interactive games, story problems, and math mysteries.
Curated OER
Fill the Boats
In this addition and subtraction practice activity, students solve 12 problems by filling in the blanks in each of the number sentences with the appropriate numbers.
Curated OER
Adding/Subtracting--More Than/Less Than
In this addition and subtraction worksheet, students write down what is one more than in 10 numbers and then write down what is one less than in 10 additional numbers.
Curated OER
Making 4
In this making 4 worksheet, students figure out and write down all the ways they can make the sum of 4 from 6 cards. Students utilize the operations of addition and subtraction in the making of their number sentences.
Curated OER
Math – Word Problems : Up to 2-digits Without Regrouping
In this addition and subtraction practice worksheet, students solve 6 word problems that require them to add and subtract using 2-digit numbers.
Curated OER
Halloween Math Lesson Plans
Halloween math activities provide a perfect way to make this subject relevant and fun.