Curated OER
Addition and Subtraction
Young scholars develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve 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.
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Addition: 2-digit + 2-digit - Regrouping
In this addition worksheet, 3rd graders focus on the addition of double digit numbers. Students solve for 30 problems using regrouping where necessary.
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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.
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One and Two digit addition
In this addition worksheet, students add one and two digit numbers together with and without regrouping. Students complete 6 addition problems.
Curated OER
Math Mammoth End of Year Test - Grade 2
Assess your second graders with this end of the year test. Originally meant for home school, this assessment could also be used in a larger setting. Learners complete 35 problems based on their knowledge of the second grade math...
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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.
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Kid Pix Math
Second graders, using Kid Pix, write and illustrate simple addition and subtraction sentences using Kid Pix. After each student has completed his/her work, it is printed out and bound into a class book.
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Fourth of July Add or Subtract Worksheets
There are actually two Independence-Day-themed worksheets in this resource. Patriots solve three-digit addition and subtraction problems, then find the letter from the key that corresponds to each of their answers. As they place each...
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Chart Trivia
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
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A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
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Subtracting Whole Numbers
Second graders practice subtracting numbers by using a visual aide. For this number sense lesson, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the equation. Students complete a...
Helping with Math
Addition - Three 3-Digit Numbers
There are 20 addition problems on this assignment, all of which require the addition of three three-digit numbers. All of them will require some regrouping to solve. This is terrific arithmetic practice to assign as homework. An answer...
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Problem Solving With Fractions
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
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Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Helping with Math
SubtractionL 3-digit - 2-digit
In this assignment, math minors solve 30 subtraction problems. Two-digit subtrahends are taken away from three-digit minuends. Often, regrouping will be necessary to arrive at the difference. Terrific practice with an answer key provided!
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
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Dinosaur Math
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
Helping with Math
Addition - Four 4-digit Numbers
Stack up those digits and get your fourth graders adding! This printable handout displays 20 addition problems in which pupils find the sum of four four-digit numbers. With a click of the box in the upper left corner of the web page,...
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Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation activity, 2nd graders solve real life problems to understand estimation and money problems.
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Immigration Unit
Third graders develop an appreciate for the various cultures that are present in their local community. Through reading and research, they explain how various culture came to live in their area. At the conclusion of the unit, 3rd...
Curated OER
Math Mammoth End of the Year Test - Grade 3
In this comprehensive diagnostic test worksheet, learners examine, study, calculate and solve 38 math problems. They work with a variety of basic math concepts and word problems.
