Curated OER
Counting by 3s, 4s, and 5s
Skip count along the mushrooms to complete these number sentences which give young scholars an introductory look at addition and subtraction. Starting from five double-digit numbers, they subtract or add by threes, fours, and fives to...
DK Publishing
Counting Caterpillars
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
Curated OER
Identifying Patterns
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,...
Curated OER
Identifying Patterns
Explore number attributes and skip counting through patterns! Scholars find the pattern in each of these sequences and continue it by writing in the remaining values. They count consistently by various intervals, sometimes forwards and...
Math Doctor
Chapter 2: Integers & the Number Line
Here is an extensive set of teacher's notes to help you teach all about integers. Begin by introducing a number line and how it can be used to visualize positive and negative numbers. Talk about absolute value and the additive inverse...
Curated OER
Subtraction as the Opposite of Addition
In this basic math operation instructional activity, students learn that subtraction is the inverse of addition. They then solve 8 subtraction problems and use addition to check the answers. Answers are available on the second page.
Curated OER
Math Speed Tests Book 1
In this timed math drills activity, students complete two 50 problem tests with mixed addition and subtraction facts to 20. They are presented in horizontal form and may be timed.
Curated OER
Addition and Subtraction as Inverse Operations
In this addition and subtraction worksheet, students work with the inverse operations. They fill in the boxes in 8 examples using mental math. They look at the addition problems and fill in the blanks in the subtraction problem and vice...
Curated OER
One-Digit Addition and Subtraction (H)
For this identifying the sums and differences worksheet, students add and subtract one-digit numbers. Students solve 49 problems.
Curated OER
One-Digit Addition and Subtraction (K)
In this identifying the sums and differences activity, students add and subtract one-digit numbers. Students solve 49 problems.
Curated OER
Grade 3 Addition and Subtraction Word Problems
In this grade 3 addition and subtraction word problems worksheet, 3rd graders read the examples, then solve 7 addition problems, 7 subtraction problems and 7 mixed problems.
Curated OER
Which Operation To Use?
In this basic addition and subtraction worksheet, 2nd graders will determine the correct operation to use. Students will study 8 problems and the given answer, deciding if the correct sign to use will represent addition or subtraction.
Curated OER
Addition and Subtraction
In this addition and subtraction activity, students figure out the correct number to place in 8 boxes without doing the addition and subtraction sums.
Curated OER
Addition and Subtraction
In this addition and subtraction worksheet, students fill in the correct number in 8 boxes without doing the addition and/or subtraction sums.
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Curated OER
Add and Subtract Decimal Ten Thousandths [C]
Use this decimal addition and subtraction worksheet, learners solve a total of 32 problems using decimal tenths. Answers included on page 2.
Curated OER
Math – Writing Equations: Addition and Subtraction 0 to 10
In this writing equations practice worksheet, students use their problem solving skills and the information provided to write 10 addition and subtraction number sentences and solve them.
Curated OER
Decimal Addition and Subtraction
In this decimal addition and subtraction worksheet, students use a computer program for initial instruction, then complete 22 problems with decimals.
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Curated OER
Leveled Problem Solving Solving Addition and Subtraction Equations
In this adding and subtracting equations practice activity, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Addition And Subtraction of Polynomials
In this math worksheet, students practice simplifying polynomials using the operations of addition and subtraction. They must combine the like terms.
Curated OER
Solving System of Equations by Addition or Subtraction
In this online math learning exercise, students solve systems of equations by using addition and subtraction . This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Understanding the Relationship Between Subtraction and Addition
In this understanding subtraction and its relationship to addition worksheet, students examine 14 number statements. They determine if the statements are true or false.
Fuel the Brain
Addition and Subtraction
Basic addition and subtraction are asked of your class in this instructional activity. They will have to pick up on key terms to determine if addition or subtraction is being asked of them and solve the problem.