Worksheet
Curated OER

Addition Strategies: Compensation

For Students 3rd - 4th
For this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Worksheet
DK Publishing

2 More Than

For Students K - 1st Standards
Which one has two more? Each row of objects has a corresponding row, and mathematicians determine which one has two more than the other, checking it off. They work with single-digit values here and should be encouraged to write the...
Worksheet
Curated OER

Magic Squares, Simultaneous Equations, Hill Walking, and Diophantine Equations

For Students 9th
For this solving equations worksheet, 9th graders solve and complete 21 various types of problems. First, they use the method shown to find the value of xin each equation. Then, students use an algebraic approach to solve the magic...
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...
Lesson Plan
Curated OER

Discovering Math Rational Number Concepts

For Teachers 10th - 11th
Students research Egyptian hieroglyphics using print and Web resources. THey discuss Egyptian achievements in mathematics. Students explore how Egyptians used hieroglyphics to write numerals. They multiply and divide numbers using the...
Lesson Plan
Curated OER

Inverse Relationship Between Addition and subtraction

For Teachers 1st
First graders review number facts to illustrate the relationship between addition and subtraction. In this inverse relationship lesson plan, 1st graders write an addition sentence and then invert the numbers to show the subtraction fact.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction With Regrouping

For Teachers 2nd
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Worksheet
Curated OER

One Digit Addition With Regrouping

For Students 2nd - 3rd
In this one digit addition worksheet, students solve a total of 64 problems, all adding one digit numbers together with regrouping.
Lesson Plan
Curated OER

Commutative Property

For Teachers 1st
First graders use various models to learn the Commutative Property of Addition. In this Commutative Property lesson, 1st graders use other students, counters, balances, and dominoes to apply the addition property. Students solve addition...
Worksheet
Curated OER

Know by Heart Addition

For Students 2nd - 3rd
In this addition instructional activity, student practice answering sets of "know by heart" problems as quickly as possible A reference website for additional resources is given.
Interactive
Curated OER

Missing Number Addition

For Students 1st - 3rd
In this addition worksheet, students are given one addend and the answer to a total of 25 simple addition problems. Students fill in the missing addend. Worksheet is labeled as a sample from a subscription site.
Lesson Plan
Curated OER

Multiplication Of Decimal Fractions

For Teachers 8th
In this multiplication of decimal fractions worksheet, 8th graders use the whole number multiplication fact given to work out the answers to three word problems. Students, in addition, estimate the answers to ten problems without using a...
Lesson Plan
Curated OER

Reviewing Facts Through 10

For Teachers K - 1st Standards
Manipulatives are always fun for children to use. They use connecting cubes and blocks to solve addition and subtraction word problems with numbers up to 10. They then play a math game and use their cube to create number sentences....
Lesson Plan
Curated OER

Mathville 1

For Teachers 1st
For this addition and subtraction worksheet, 1st graders add fifteen pairs of numbers between one and ten. They subtract on five problems. Three subtraction problems require regrouping.
Lesson Plan
Curated OER

Adding Ten Tiles I

For Teachers 6th - 7th
Students practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...
Activity
Making Math More Fun

Making Math More Fun

For Teachers 2nd - 6th Standards
Address fundamental math skills with a series of fun math board games. With 25 games that focus on addition, subtraction, multiplication, division, place value, and percentages, kids will quickly find that math practice is their favorite...
Worksheet
DK Publishing

3 More Than

For Students K - 1st Standards
Which one has three more? Young mathematicians compare three sets of objects to determine which has three more, checking it off. Then, they practice beginning addition skills by examining sets of candy and adding them up for a total....
Worksheet
Curated OER

Multiplying Larger Numbers by Ones

For Students 4th - 5th Standards
Those are some big numbers! Scholars multiply three and four-digit numbers by one-digit numbers in these equations. There are 28 total, and they do need to regroup for many of them. The one-digit numbers are all either 7, 8, or 9; use...
Lesson Plan
Curated OER

Smiling at Two Digit Multiplication!

For Teachers 3rd - 4th Standards
How do I solve a two-digit multiplication problem? Your class tackles this question by walking through problem solving methods. They first investigates and applies traditional multiplication methods, and they then compare those with...
Worksheet
Curated OER

Add Six

For Students K - 1st
In this adding single digit numbers worksheet, students solve 15 problems that require them to add single digit numbers to the number 6.
Worksheet
Curated OER

Addition Doubles

For Students 1st - 2nd
In this addition doubles worksheet, students solve eighteen horizontal addition problems with addends from one to twelve, most of them adding doubles.
Lesson Plan
Curated OER

Subtracting Two- and Three-Digit Numbers

For Teachers 5th - 7th
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Worksheet
Curated OER

What Must be Added?

For Students 4th - 6th
In this addition worksheet, students write in the number that makes the addition operation correct. For example, they are asked what must be added to 555 to make 600. There are 15 questions on this page and the answers are on the second...
Worksheet
Curated OER

Snowmen Addition: Adding Two

For Students 1st
In this snowmen addition:  adding 2 worksheet, 1st graders match 10 snowmen with addends of 2 with 10 snowmen with sums, snowmen could be colored.