Curated OER
Two-Digit Numbers Ending in 8 or 7
For this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...
Curated OER
Add Whole Numbers
In this addition practice instructional activity, students practice their math skills as they solve 21 addition problems that require them to add 3 digit numbers, 4 digit numbers, and money. Students also answer 2 test prep questions.
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Curated OER
Adding with Different Numbers of Digits
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
Curated OER
In Round Numbers
Young scholars explore the concept of rounding. In this rounding activity, students use their calculator to round three digit numbers to the nearest 10 or nearest 100. Young scholars round fractional numbers to the nearest...
Curated OER
All Kinds of Numbers
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
Curated OER
Two-Digit Plus One-Digit Addition (B)
In this addition worksheet, learners solve 64 problems in which two digit numbers are added to single digit numbers, with and without carrying.
Curated OER
Addition: How Many Ways?
In this addition worksheet, 2nd graders study the various ways to add with different addends. Students are provided with 4 digits in which to write as many possible addition problems as can be made.
Curated OER
Fill in the Missing Numbers
In this addition worksheet, students fill in the missing number in 5 addition problems involving 3 single and double-digit numbers. Students write their answers in the boxes provided.
Curated OER
Three Addend Addition 2
In this addition practice worksheet, students use their problem solving skills to solve 8 problems that require them to add multiple digit numbers. Each problem has 3 addends.
Curated OER
Addition Exercises
In this addition worksheet, students add one digit numbers together with up to 5 numbers in each problem. Students complete 9 problems.
Curated OER
Addition
In this addition activity, students solve 20, 3-digit addition math problems mentally. Students put their answers down on paper, but do not work out the problems on paper.
Curated OER
Crabby Math
Here are 4 different (yet related) worksheets and an answer key for each. The class will work through each sheet, adding single-digit number to find sums. They then color in the sums that meet each worksheets instructions. For example:...
Curated OER
Caterpillar Math Game
Invite your youngsters to practice addition and subtraction by playing this game. Kids must determine the answer to each math problem and place that problem on the segment of the caterpillar that holds the answer.
DK Publishing
Addition Practice #3
If you're in search of some basic addition drills, take a look at this for your second and third graders. There are 20 vertically aligned equations here, each with one three-digit addend and one...
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Addition Drills, part 4
Show kids that addition has real-life applications as they add up measurements and money. There are some examples here demonstrating regrouping and including units in an answer. They complete 20 measurement addition problems, each with...
Mental Arithmetic
Mixed Addition and Subtraction Year 1
Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10.
DK Publishing
Cubes of Small Numbers
Now that geometers know how to solve for square units, can they solve for cubed units? Explore this concept as scholars examine four cubes to solve for volume in each. A detailed example explains this process, but you may consider asking...
DK Publishing
Addition: Count and Color, part 3
Approach addition with sets of objects to show scholars the operation visually. There are four sets of images here arranged as addends in an addition number sentence. Learners count them and color in the total in a final set. All answers...
Curated OER
Four-Digit Addition without Regrouping
In this 4 digit addition worksheet, students solve the 15 four digit addition equations by finding the missing numbers in the equations.
Curated OER
Four-Digit Plus Four-Digit Addition (A)
In this math worksheet, students solve 100 problems in which 4-digit numbers are added with regrouping. The examples are closely spaced in a vertical format with little room to show work. Students would need to write very small to fit...
Curated OER
Addition Problems
Here are 25 simple addition problems, all of which include two addends under six. This is a print-and-go worksheet, and because it has a graphic of a kangaroo, you can reference the kangaroo math page to help learners stay with you....