Lesson Plan
Curated OER

Batchelder Bubble Gum Factory: Place Value Unit

For Teachers 2nd - 4th
Students explore grouping. In this math lesson, students brainstorm ways to efficiently count the items in their pile and discuss the methods used. Students use a place value chart and practice regrouping ones to tens.
Worksheet
Curated OER

Addition Exercises

For Students 3rd - 5th
In this addition activity, students complete addition problems with regrouping with numbers up to 6 digits. Students complete 30 problems total.
Worksheet
Curated OER

Detective Duck's Preparatory Course

For Students 4th
For this addition worksheet, 4th graders focus on missing numerals. Students complete 13 problems solving for missing digits in each of the vertical addition problems.
Worksheet
Curated OER

Fourth of July Add or Subtract Worksheets

For Students 3rd - 4th Standards
There are actually two Independence-Day-themed worksheets in this resource. Patriots solve three-digit addition and subtraction problems, then find the letter from the key that corresponds to each of their answers. As they place each...
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...
Lesson Plan
Curated OER

Regrouping With Remediation

For Teachers 4th
Fourth graders complete multiplication, addition, and subtraction problems that all contain regrouping. In this regrouping lesson plan, 4th graders complete worksheets not provided.
Worksheet
Curated OER

Vertical Subtraction 3

For Students 4th - 5th
For this math worksheet, students analyze and solve 25 subtraction problems. All have 3 or 4 digits. There is regrouping, sometimes twice. There are no examples on this page.
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

Math – Writing Equations : Subtraction

For Students 2nd - 3rd
In this writing equations practice activity, students use their problem solving skills and the information provided to write 12 subtraction number sentences and solve them.
Worksheet
Fuel the Brain

Joining (Addition) - Result Unknown

For Students 3rd
Are two, three, and four digit word problems tricky for your learners in your classroom? This practice will help your young mathematicians use addition and show their work in the space provided using regrouping when necessary.
Lesson Plan
Curated OER

Unit 2 Sun & Stars

For Teachers 6th - 7th
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. For this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...
Worksheet
Curated OER

Add Groups of 10

For Students 2nd - 3rd
In this addition worksheet, learners count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Learners draw a line for each extra 10 added. Students record the total at...
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

Adding Money

For Students 2nd - 3rd
In this consumer math addition activity, students add three-digit dollars and cents numbers with regrouping. Students solve 20 problems.
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

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Worksheet
Curated OER

Bug Bite

For Students 3rd - 6th
In this addition worksheet, students 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

Money Addition (E)

For Students 2nd - 3rd
In this consumer math worksheet, students find the sums in 20 problems. They add three digit money amounts while using regrouping as needed.
Worksheet
Curated OER

Money Subtraction (J)

For Students 3rd - 4th
In this subtracting money instructional activity, students subtract three-digit numbers in increments of two cents with some regrouping. Students solve 20 problems.
Lesson Plan
EngageNY

Sums and Differences of Decimals

For Students 6th Standards
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson plan in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
Worksheet
Curated OER

Problem-Solving Decision: Explain Your Answer - Reteach

For Students 3rd
In this problem solving activity, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
Lesson Plan
Curated OER

$$Adding Up All Your Loot!$$

For Teachers 3rd - 4th
In this adding money amounts worksheet, learners add four-digit dollars and cents problems with regrouping. Students solve 15 problems.
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

Subtracting Decimals

For Students 4th - 5th
In this subtraction of decimals worksheet, students subtract decimals in 40 problems. These are 2 digit problems, written vertically, some with regrouping.