Curated OER
Problem Solving-Number Bonds
In this problem solving with number bonds worksheet, students use addition and subtraction to create number bonds and solve problems.
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Regroup Ones and Tens
In this problem solving instructional activity, students analyze the information on a data table about the sizes of bears. Students use the table to solve 4 problems in which addition with regrouping twice is used.
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Not So Snappy 10
In this order of operations (i.e., addition, subtraction, multiplication, division) worksheet, students solve 3 word problems demonstrating their understanding of the concept.
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Balancing Number Sentences to Introduce Missing Values
Students balance number sentences to learn about missing values. In this balanced equations lesson, students use the word problem to study missing values. Students watch a video about the topic and play two games about balancing...
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Using Integers to Show Differences
In this integer instructional activity, students use integers to show differences in temperatures by solving 7 short word problems. They find the differences in 7 more equations.
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Tables
In this tables worksheet, 4th graders analyze a table with data concerning the collection of leaves. Students problem solve 8 subtraction word problems.
Illustrative Mathematics
Writing Expressions
Practice writing algebraic expressions from written phrases. The objective is to consider two seemingly similar phrases, write them as algebraic expressions, and then simplify using the order of operations. Learners are challenged to...
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Addition and Subtraction of Decimals
In these decimal skills worksheets, students solve the equations and word problems using addition or subtraction. Students then solve the decimal equations and word problems using addition or subtraction.
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Math Maven's Mysteries
In these story problem worksheets, students read the story problem 'The Case of the Virtual Pet 2000' and use the information within the story to help them find which character had enough time to take the toy. Students use subtraction to...
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Mental Math Strategies
In this mental math worksheet, students study the detailed instructions and examples for adding or subtracting numbers using "breaking apart" or compensation. Students solve 17 mental math problems.
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Subtracting To 10
In this math worksheet, students learn that subtracting means taking one number away from a larger number. Students look at the example and pictures and solve 45 problems.
Willow Tree
Number Properties
The number of basic algebraic properties can become overwhelming for learners. A lesson explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize and study the...
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One More or One Less?
Hook new mathematicians with a candy-themed approach to addition and subtraction. They examine 10 numbers (not exceeding 19) printed on candy wrappers. For each, learners calculate and record numbers with values one more and one...
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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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Reinforcing Fractions Using a Fraction Calculator
Students complete fraction word problems using TI-Explorer Calculators.
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Study Buddies: Dividing Two-Digit Numbers
In this math worksheet, learners will works with a coach to solve a story problem in which they must divide a two digit number by a single digit number. Students will follow a step-by-step process and notes are provided for the coach.
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Cost Calculations Lesson Plan
Students analyze data using graphs and equations. In this algebra instructional activity, students calculate the cost of lumber, convert price per foot to price per piece, solve equations using addition and subtraction and give exact...
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Dividing by 3's
Third graders review and practice strategies for solving division problems. In this division by 3's lesson, 3rd graders play games, use an interactive whiteboard, create flashcards, and solve word problems.
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Writing Number Sentences
Learners practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
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Quaternions
In this quaternions learning exercise, students solve and complete 7 different problems. First, they read and identify quaternions as expressions in a given form of ordinary real numbers. Then, students add and subtract a few problems by...
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Looking at Exponential and Linear Models
In this shopping center worksheet, students use exponential and linear models to complete word problems about a shopping center. Students complete 6 problems.
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Proof by Induction
In this induction worksheet, students read word problems. They determine the difference between inductive and deductive reasoning. Students solve the given problem through inductive reasoning. This one-page worksheet contains 1...
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Number Search Y4: Make 12
In this number search worksheet, students find and highlight at least 12 addition, subtraction, multiplication and/or division math problems that make the sum of 12.
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Unequal Groups vs. Equal Groups
Third graders read and discuss math story problems and analyze if the story is using equal groups or unequal groups. They listen to the book "12 Ways To Get to 11," and simulate the story using beads on a pipe cleaner. Students then...