+
Lesson Plan
EngageNY

Addition and Subtraction Formulas 2

For Teachers 11th - 12th Standards
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
+
Worksheet
Curated OER

Addition Drills, part 5

For Students 2nd - 3rd Standards
Show scholars that if they can add up two addends, they can also add up three. Review the examples together before letting scholars try these 25 addition problems, each with three double or single-digit addends. Two of these add up to...
+
Worksheet
Curated OER

Identifying Patterns

For Students 3rd - 4th
Find the pattern! Eighteen number sequences challenge scholars to identify and complete the pattern, adding at least four digits to the given numbers. All the sequences here involve skip counting by various single-digit numbers,...
+
Lesson Plan
Hawaiʻi State Department of Education

Rhythm Patterns

For Teachers 4th
Fractions can be tricky. Why not have kids think of fractions like they think of eighth, quarter, and half notes? In teams, the class creates four-measure patterns with their percussion instruments. They need to explain their rhythm...
+
PPT
Curated OER

Basic Addition Practice

For Teachers 1st - 2nd
Here is a simple presentation which will give young mathematicians practice in adding numbers together. The problems are quite simple, but this would be a good way to encourage your charges to utilize mental math.
+
Lesson Plan
Curated OER

Adding and Subtracting Bears and Goats

For Teachers 1st
First graders evaluate math problems using farm animals.  In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals.  Students discover new strategies to help them analyze their information. 
+
Lesson Plan
Curated OER

Adding Two- and Three-Digit Numbers

For Teachers 5th - 7th
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
+
Worksheet
Curated OER

Adding More

For Students Pre-K - K
In this addition worksheet, students solve six problems in which objects in a set are counted and additional objects are added to these, according to directions. Students write how many in all.
+
Worksheet
Curated OER

Use Doubles to Add

For Students 1st - 2nd
In this adding with doubles worksheet, students read the word problems and use the addition property of doubles to help them solve the addition problems.
+
Lesson Plan
Curated OER

What's the Best Deal?

For Teachers 3rd - 5th
Students explore number sense by solving consumer math problems. For this pattern identification lesson, students analyze a list of numerical and geometric patterns while predicting the future outcome. Students utilize inference skills...
+
Worksheet
Curated OER

Sums: adding same number

For Students 1st - 2nd
In this doubles addition worksheet, students add the sums of doubles addition problems with numbers up to 9. Students complete 10 problems.
+
Worksheet
Math Worksheets Land

Area of Rectangles in Word Problems - Matching Worksheet

For Teachers 3rd - 5th Standards
Using just the measurements of ten rectangles, scholars match them to their calculated areas. Each of these is measured in feet, so the areas are labeled with square feet. The lengths and widths here are double and triple-digit whole...
+
Interactive
CK-12 Foundation

Function Rules for Input-Output Tables: Function Machine 1

For Students 6th - 9th Standards
Challenge your classes to find the pattern of a double function machine. After recording the outputs of both machines, learners identify the pattern and the corresponding function. Both patterns involve adding/subtracting a constant.
+
Lesson Plan
Curated OER

Adding and Subtracting

For Teachers K - 1st
Students will add and subtract numbers less than 100 as well as understand and use the inverse relationship between addition and subtraction. They compose/decompose numbers up to 10 and understand a variety of situations in which...
+
PPT
Curated OER

Counting and Multiplication

For Teachers 2nd
Review adding and multiplication concepts using this resource. Learners use pictures to identify halves, doubles, and answer multiplication questions. This is a great way to give learners a visual way to understand multiplication concepts. 
+
Worksheet
Curated OER

Doubling (pg. 1)

For Students 1st
In this two digit addition worksheet, 1st graders double six two digit numbers by writing their answers in the six empty boxes.
+
Lesson Plan
Curated OER

Addition of Signed Numbers I

For Teachers 7th - 8th
In this addition worksheet, students add positive and negative integers and decimal numbers. All equations, except one, contain at least one negative integer. Students must determine the appropriate operation based upon the signed...
+
Assessment
1
1
Balanced Assessment

Birthday Card

For Students 9th - 12th Standards
Add a twist to the practice of simplifying expressions. The task asks scholars to decode a mathematical puzzle using their knowledge of expressions. If they are able to write and simplify the expression, the mathematics behind the puzzle...
+
Worksheet
Curated OER

Doubling (pg. 3)

For Students 1st - 2nd
For this two digit addition worksheet, student double two digit numbers and write the answer in the box for 8 two digit numbers.
+
Lesson Plan
Curated OER

Double or More

For Teachers K - 6th
Students practice cooking by following recipe instructions.  In this measuring lesson, students read food recipes and collect the materials needed to make one batch, then double the recipe to create twice as much food.  Students share...
+
Lesson Plan
Curated OER

Computer Doubles

For Teachers K - 2nd
Students practice doubling the numbers one through five while viewing a projected computer activity using MathKeys software. They stamp numbers onto an activity sheet that corresponds to the number of objects on the screen and then write...
+
Activity
Collaborative Learning Project

Four in a Row Addition and Subtraction

For Teachers 1st - 3rd Standards
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
+
Lesson Plan
Curated OER

Mathematical Roadmaps

For Teachers 2nd
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...
+
Worksheet
Curated OER

More and Less

For Students 1st - 2nd
In this more than/less than worksheet, students start with the number on each cactus and double it. Then students continue down the column adding ten more or taking away ten as directed.