Lesson Plan
Curated OER

Make a Match

For Teachers 2nd
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators)  to...
Worksheet
Curated OER

Multiplication Problems

For Students 3rd - 4th
For this multiplying one-digit times three-digit numbers worksheet, learners find the products with some regrouping. Students solve 12 problems.
Lesson Plan
Curated OER

Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Worksheet
Curated OER

Summer School Math Worksheets --Addition and Subtraction

For Students 2nd - 3rd
For this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
In 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...
Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Worksheet
Raytheon

Adding and Subtracting Decimals

For Students 5th - 7th
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Worksheet
Curated OER

Multiplying Whole Numbers

For Students 3rd - 5th
For this multiplication of whole numbers worksheet, students follow step by step directions to multiply two pairs of numbers without using a calculator.
Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition worksheet, 1st graders add one digit numbers together with and without regrouping. Students complete 15 addition problems where they write the sum of the two numbers.
Worksheet
Curated OER

Magic Squares and Adding on a Number Line

For Students 2nd - 3rd
In this math addition and subtraction worksheet, students solve 24 problems pertaining to addition magic squares, adding on a number line, adding money (English pounds) and basic addition and subtraction without regrouping. This page is...
Worksheet
Curated OER

Pot of Gold Addition

For Students 2nd Standards
For this money math worksheet, 2nd graders solve each addition problem and write the sum on the pot of gold pictured for each. They add money together to get their total amount for each problem.
Worksheet
Curated OER

Pot of Gold Addition

For Students 1st - 2nd Standards
In this math worksheet, students solve sixteen addition problems. Each problem includes adding various amounts of money, and students write their answers in a cartoon pot of gold.
Worksheet
Curated OER

Finding Missing Sums and Addends

For Students 3rd - 4th
In this sums/addends worksheet, students find missing sums and addends in a set of 20 problems. Problems add 1 and 2-digit numbers. Answers included on page 2.
Lesson Plan
Curated OER

Subtracting Greater Numbers

For Teachers 4th - 5th
In this subtracting greater numbers worksheet, young scholars, with a partner, problem solve and calculate the answers to six addition equations.
Lesson Plan
Curated OER

Carry and Borrow

For Teachers 2nd
Second graders complete basic math computations. In this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
Lesson Plan
Curated OER

Using a Hundreds Chart

For Teachers 1st - 3rd
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
Worksheet
Curated OER

Add Groups of Ten

For Students 2nd - 3rd
In this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Lesson Plan
Curated OER

The School Store

For Teachers 1st - 2nd
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction instructional activity, students make a chart of items sold in the school store. Students then work in teams...
Worksheet
Curated OER

Bug Bite

For Students 3rd - 6th
In this addition worksheet, learners add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
Worksheet
Curated OER

Addition Exercise

For Students 2nd - 4th
In this addition activity, students add 1 to 3 digit numbers with regrouping. Students complete 30 problems total on this activity.
Worksheet
Curated OER

Subtraction Worksheet : Numbers to 19 (1 of 3)

For Students 1st - 2nd Standards
In this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Worksheet
Curated OER

Penny Counting

For Students 2nd - 3rd
In this penny counting worksheet, students solve 4 story problems in which three digit numbers are added or subtracted. All problems pertain to pennies; there will be regrouping.
Worksheet
Curated OER

Detective Duck's Preparatory Course

For Students 4th
In this addition instructional activity, 4th graders focus on missing numerals. Students complete 13 problems solving for missing digits in each of the vertical addition problems.
Lesson Plan
Curated OER

A Fictional History of Place Value

For Teachers 2nd - 4th Standards
Your class can explore standard and expanded notation, as well as computation with regrouping. They listen to a make-believe story about cavemen and the origin of numerals and place value. Then apply what they learned about renaming and...