Worksheet
Curated OER

Expanded Form (M)

For Students 3rd - 6th
In this expanded form math practice worksheet, students examine 12 three-digit numbers and then write each of them in expanded form.
Interactive
Curated OER

Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, students use the number line to help find the missing numbers for the 23 single and double digit problems.
Lesson Plan
Curated OER

Calculator Numbers

For Teachers 3rd
Third graders practice working out a hidden number on a calculator via number sequence in the advanced additive stage six. They assess number sequence to unveil a mystery number that has been entered onto a calculator and then switch...
Assessment
Concord Consortium

Calculator Numbers

For Students 7th - 12th
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Activity
1
1
Laura Candler

In the Dog House

For Teachers 2nd - 4th Standards
Teach your young pups some new tricks with this math facts activity. Using a deck of cards and the included game board, pairs of young mathematicians draw cards and attempt to make products that are larger than their partners'...
Worksheet
Noyce Foundation

Time to Get Clean

For Students 3rd - 5th Standards
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Lesson Plan
Curated OER

Math Lesson Plan : Finger Counting

For Teachers 1st - 2nd
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Worksheet
Curated OER

Elimination Using Addition and Subtraction

For Students 10th - 12th
For this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
Lesson Plan
Curated OER

Investigation - Who is Right?

For Teachers 3rd
Third graders explore mathematics by solving problems in groups. In this math functions instructional activity, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students...
Lesson Plan
Curated OER

Do You Carry the Ball?

For Teachers 2nd - 5th
In this addition worksheet, students add two digit numbers together with and without regrouping. Students complete 9 problems total.
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 lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
Worksheet
Curated OER

Sums

For Students 1st - 2nd
In this sums instructional activity, students complete one digit number word problems where they add up the numbers to find a total. Students complete 5 problems total.
Worksheet
Curated OER

Mental Arithmetic--Adding to Thousands

For Students 3rd - 4th
In this adding to thousands worksheet, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method they used to...
Worksheet
Helping with Math

Subtraction Worksheet: Numbers to 9 (1 of 3)

For Students 1st - 2nd Standards
Single-digit subtractions skills are super important in the early grades. The linked resource is the first of three such pages accessible through this website. By checking a box at the top of the page, answers can be revealed. Consider...
Worksheet
Curated OER

Magic Math Morning Work

For Students 1st - 2nd
In this doubles addition worksheet, students add doubles of one digit numbers up to the number 10. Students complete 10 addition problems.
Lesson Plan
Curated OER

Computers Can Only Add

For Teachers 9th - 10th
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
Worksheet
Curated OER

Mental Math: Adding 10s

For Students 1st
To develop mental math skills for adding 10s, learners read an example, solve one carefully scaffolded problem, and then complete 6 more independently. Pictures of 10-rods make the connection between sets of 10 and the corresponding...
Worksheet
Curated OER

Addition: three and two digit numbers

For Students 3rd - 4th
In this addition activity, learners add three and two digit numbers together with regrouping. Students complete 40 addition problems.
Worksheet
Curated OER

Addition: three and two digit numbers

For Students 3rd - 4th
In this addition worksheet, students add three and two digit numbers together with regrouping. Students complete 40 addition problems.
Worksheet
Curated OER

Addition: three and two digit numbers

For Students 3rd - 4th
In this addition worksheet, students add three and two digit numbers together with regrouping. Students complete 40 addition problems.
Lesson Plan
Curated OER

Addition Practice - Activity

For Teachers 7th
Seventh graders play a number strategy and addition game.
Worksheet
Curated OER

Addition Exercises

For Students 1st
In this addition worksheet, 1st graders use the colored circles to help them add the single digit addition problems. Students solve nine addition problems.
Worksheet
Curated OER

The Math Lesson 7

For Students K - 2nd
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction activity, learners solve addition and subtraction problems containing one digit numbers. Students complete 52 problems.