Math Salamanders Ltd.
Addition - Up To 20 Sheet 6
For this addition worksheet, learners use their knowledge of addition facts to fill in the missing numbers in two addition charts.
Math Salamanders Ltd.
Addition - Two Digit Addition Sheet 2
Learners solve 30 two-digit addition problems printed horizontally, with the reminder to add in their heads, starting with the bigger number first.
Curated OER
Addition - Up to 12
For this addition worksheet, learners solve the horizontal addition problems. Students count on from the addend given to get the find the missing addend.
Curated OER
Addition-Up to 20 (Sheet #1)
In this addition worksheet, students practice their adding with one--digit and two-digit numbers. Students complete the worksheet by solving twenty-four addition problems.
Math Salamanders Ltd.
Addition— Adding on Tens Sheet 2
In this double-digit addition worksheet, students solve 30 addition problems. Both addends in each problem are two-digit numbers.
Math Salamanders Ltd.
Addition—Up to 12 Sheet 5
In this addition activity, students complete 24 problems, filling in missing numbers, either addends or sums. A reference website is provided for additional activities.
Curated OER
Math Vocabulary
In this math vocabulary activity, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.
Math Salamanders Ltd.
Addition Up to 12 - Sheet 2
In this addition worksheet, learners complete a set of 20 problems, adding to the number 12. A reference website is given for additional activities.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Dance, Dance, Dance
Use dance and song to help your charges in adding whole numbers to 10. In this adding to 10 lesson, learners become the manipulatives as you add them.
Curated OER
Addition
In this addition activity, students enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
Curated OER
Beginning Addition
Students examine the concept of addition by adding two one-digit numbers whose sum is less than ten. They count and add goldfish crackers together, chorally repeating each problem.
Curated OER
Alternative Algorithms
Analyze algorithms for computing with rational numbers and develop fluency in their use with your math class. They work individually to solve the problems on the "Alternative Algorithms" sheet. Then, they analyze the appropriateness of...
Curated OER
Mental Arithmetic Race
In this mental arithmetic race, students compute as many arithmetic problems as possible in a given length of time. Problems include whole and decimal numbers. Students mentally divide multiply, and add whole numbers and decimals. This...
Curated OER
Smart Doubling
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
Math Salamanders Ltd.
Adding 1s, 10s, 100s, and 1000s
In this addition activity, students complete a 13-row chart. They start with three or four-digit numbers and add 1, 10, 100, or 1000 to each number to fill in the chart. The last four questions require subtraction because the initial...
Curated OER
Three-Digit Addition and Subtraction With Regrouping
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...
Math Salamanders Ltd.
Addition - Up to 20 Sheet 5
In this addition worksheet, learners complete missing addend problems by plugging in numbers one to 20. Students complete 40 problems.
EngageNY
Overcoming a Second Obstacle in Factoring—What If There Is a Remainder?
Looking for an alternative approach to long division? Show your classes how to use factoring in place of long division. Increase their fluency with factoring at the same time!
Curated OER
Missing Addends
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the...
DK Publishing
Money Word Problems #2
Are you experiencing money problems? Here are some more! Young mathematicians practice their addition and subtraction skills with money values in these word problems and number sentences. Some of the 25 questions prompt scholars to...
Curated OER
Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Addition And Subtraction of Decimals
Learners participate in a instructional activity of adding and subtracting decimals. They should review place values with decimals before beginning the instructional activity. The lesson plan also includes sample problems for the teacher...
Curated OER
Algebra: Addition and Subtraction Equations
In this algebra worksheet, students solve 6 problems in which students use the sample model to write equations. Students write the equation in words, replace the words with values from the model. and solve the equation.