Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Curated OER
Properties: Commutative, Associative, and Identity
Learners explore the concept of addition and multiplication properties. In this addition and multiplication properties lesson, students create a foldable with the properties commutative, associative, identity, and distributive written...
Curated OER
Loop Cards: I Have, Who Has?
In this math activity, students practice mental adding and subtracting near multiples of 10 and 100. There are a total of 30 cards and students play together as a class. Example: Who has 67+32? I have 99. Who has 54+18?
Curated OER
Counting on
For this addition worksheet, students use a number line or mental math to solve 20 sums. Example: "Gus Plus has 5 cubes. He collects 7 more. He now has ---." Students soon learn to hold the first number in their heads and count on.
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
Find the Missing Products
In this multiplication worksheet, students solve 40 problems in which two and three digit numbers are multiplied by single digits. Students are encouraged to use estimation to do mental math. This page is intended as an online activity,...
Curated OER
Add and Subtract Decimals
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Curated OER
Circle Drill
In this math facts activity, students read about using the circle drill chart to practice addition facts, multiplication facts, and subtraction facts. Student use the blank chart to practice the skill.
Curated OER
Compatible Numbers To Ten
Young scholars solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the...
Curated OER
Area: It's What's on the INSIDE That Counts!
Second graders participate in a series of hands-on, online and multimedia activities that examine the concept of area. They view clips from the animated series Math Monsters and discuss the purpose of area and how it is used in the real...
Curated OER
The Number Tool Box
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers.
Curated OER
Mental Addition and Subtraction
Fourth graders, while in the computer lab, practice the concepts of mental addition and subtraction by participating in an online game that stresses addition and subtraction. They have sixty seconds to answer as many questions as...
Curated OER
Addition up to 12
In this addition worksheet, learners add two numbers that will equal up to 12. In these 12 questions, the addition problem is set up side by side.
Curated OER
Addition-Up to 12 Sheet #7
For this addition worksheet, students practice their addition skills. Students complete the worksheet by filling in the missing numbers in each of the fifty-nine boxes.
Curated OER
Addition - up to 12 blank grid
In this addition activity, students fill in numbers up to 12 on the horizontal and vertical sides of the grid and solve the addition problems. Once students fill in the grid, they will solve 42 problems for each of the 2 grids.
Curated OER
Mental Addition And Subtraction
Sixth graders, while in the computer lab, participate in the game ArithmAttack and complete as many additions and subtraction equations as they can in sixty seconds. They access the web site Mathfrog.com and begin their adventure with...
Delaware Math Cadre Elementary Committee
Operations and Algebraic Thinking
How to use the relationship between multiplication and division to solve math word problems is the focus of the lesson presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then, each group is given...
Curated OER
Addition of 2 Digit Plus 1 Digit (No Regrouping)
Students review adding without regrouping the numbers. They are divided into groups and have to write the answer to the problem given on their papers.
Curated OER
Addition: Missing Addends Tens and Ones
In this missing addend worksheet, students fill in missing addends to arrive at given sums. All numbers are 2-digits. A reference web site is given for additional activities.
Curated OER
Addition-Adding on Tens, Sheet 1
In this adding on tens worksheet, students add multiples of 10 to given numbers. A reference web site is given for additional activities.
Curated OER
Got These Properties? (Commutative in Addition/Zero in Addition and Subtraction)
Second graders examine the commutative property of addition and the property of zero in addition and subtraction. They complete an asessment worksheet to gain practice reading and working number sentences horizontally and vertically.
Curated OER
Vocabulary Cards 2nd Grade M-Z
Math vocabulary has never been easier to understand! Use vocabulary cards to bring word walls to your classroom, helping kids make the connection between important math terms and easy-to-understand illustrations.