Curated OER
Subtracting Zero
In this subtraction instructional activity, students will subtract zero from one, two and three digit numbers. The equations are presented vertically.
Curated OER
Number in Statistics
Second graders add two and three digit numbers. They are taught how to calculate the mean and the midpoint. Students are shown how to calculate symmetrical set of numbers. They are shown a model adding the same to each increases the...
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Test 12
In this math instructional activity, students solve the problems that use the operations of addition and subtraction with one and two digits as an assessment.
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Fact Families
Learners create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math lesson intended for use in the early-elementary classroom. A...
Helping with Math
Addition - Sums to 12
Addition practice worksheets are good to have on hand to add to homework packets. On this one, 30 single-digit vertical problems are arranged into six rows of five problems each. Add this to your library of tools for reinforcing addition...
Curated OER
Guess My Number
In this finding the number worksheet, students read clues and solve one-digit addition and subtraction problems to write the numbers in the tens and ones places and discover the missing numbers. Students solve five problems.
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Something's Hiding!
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
Laura Candler
In the Dog House
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' products...
Pennsylvania Department of Education
Comparing Sets
Young scholars count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
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Ten Sly Piranhas: A Counting Story in Reverse
Young scholars solve related addition and subtraction problems. In this addition and subtraction instructional activity, students use the book Ten Sly Piranhas by William Wise as the source of word problems for young scholars to solve.
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Musical Math
Students play a game of mathematical musical chairs, moving from desk to desk solving addition and subtraction problems.
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Examining Estimation
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
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Place Value: Clue Me In
In this place value instructional activity, students use a set of clues about place value to decide what number if referenced, writing each number next to its description. Answers are included on page 2.
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Mental Arithmetic
In this mental math worksheet, students answer 2 sets of mental math questions about writing whole numbers, place value, counting back and on in tens and addition and subtraction.
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The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
Helping with Math
Addition Worksheet: Totals 9 or less (1 of 3)
Here is the first in a series of three single-digit addition worksheets. The first 24 of the problems are horizontally written, while the remaining 12 are vertical. At the top of the webpage is a place to check off a box that will reveal...
Curated OER
Booster (pg.10)
In this addition and subtraction activity, students work out and answer 2 word problems, answer 2 short answer problems and fill in the missing 4 digits in one addition and one subtraction problem.
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Subtract Across Zeros
In this subtraction practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems that require them to subtract across zeros.
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Number Tick Tack Toe
Students practice basic addition and subtraction facts to twelve. They use high level thinking skills to win at the game of tick tack toe. Students review the rules to the game. They use strategy skills to master the game.
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What Do You Think?
In this estimating sums and differences worksheet, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be carrying and...
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Magic Math
In this addition and subtraction activity, students solve the one digit addition and subtraction problems and create its counterpart number sentence. Students complete 10 problems.
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Number Stories
Students write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...
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Subtracting Numbers Up to Ten--Speed Racing
In this subtraction worksheet, students subtract 20 single-digit math problems as fast as they can in 2 speed races. Students write their answers on the worksheet provided.
Curated OER
Subtracting Numbers Up to Ten--Speed Racing
For this subtraction worksheet, learners subtract 20 single-digit numbers as fast as they can in 2 speed races. Students write their answers on the worksheet provided.