Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions activity, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
Curated OER
Subtraction Worksheet: Practicing Borrowing
In this subtraction learning exercise, students solve 64 problems in which two or three digit numbers are subtracted. There will be regrouping in each problem.
Curated OER
Practicing Borrowing
In this subtraction learning exercise, students solve 64 problems in which two or three digit numbers are subtracted. Students will need to regroup in each problem.
Curated OER
Money Subtraction (J)
In this subtracting money instructional activity, students subtract three-digit numbers in increments of two cents with some regrouping. Students solve 20 problems.
Curated OER
Two Digit Addition
In this math worksheet, students practice working out problems with the operation of addition without the need for regrouping.
Curated OER
A Fictional History of Place Value
Your class can explore standard and expanded notation, as well as computation with regrouping. They listen to a make-believe story about cavemen and the origin of numerals and place value. Then apply what they learned about renaming and...
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Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
Curated OER
The School Store
Young scholars 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. Young scholars then work in teams to...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
Tens Barrier Addition/6
For this addition worksheet, students solve 36 problems in which two digit numbers are added to one digit numbers. Problems may need to be rewritten and stacked to make it easier for students to regroup.
Curated OER
Do You Carry the Ball?
In this addition worksheet, learners add two digit numbers together with and without regrouping. Students complete 9 problems total.
Curated OER
Adding Decimals
In this addition of decimals worksheet, students add up to 4 digit numbers together with decimals in them. Students complete 12 problems.
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
Detective Duck's Preparatory Course
For this addition worksheet, 4th graders focus on missing numerals. Students complete 13 problems solving for missing digits in each of the vertical addition problems.
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Adding Greater Numbers
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
Curated OER
Write the Equations
In this writing equations to problem solve learning exercise, students read the addition and subtraction problems, write the one-digit and two-digit equations, and solve without regrouping. Students solve 15 problems.
T. Smith Publishing
Easter Addition : Sums to 100
Around Easter time, if your class is working on adding two-digit sums with regrouping, this worksheet would make a colorful addition to your homework assignments. After solving 25 problems, they can color all of the eggs that have an...
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Subtraction Worksheet : Numbers to 19 (1 of 3)
In this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Elementary AMC
Earth Day Math
Take some time this Earth Day to nourish the growth of your young mathematicians with this series of task cards. Whether it's the four basic operations, place value, money, or elapsed time, these conservation-themed problems...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Using a Hundreds Chart
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.