EngageNY
True and False Number Sentences
True or false? Scholars determine the truth value of equations and inequalities through substitution. All values to use for substitution are given with each equation or inequality. This is the 24th lesson in a module of 36.
EngageNY
True and False Number Sentences II
Substitution is still the method of choice to verify number sentences. The detailed instructional activity has young mathematicians determining conditions for when number sentences are true or false through substitution. They learn to...
Curated OER
Writing Number Sentences
Students 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...
Curated OER
Balancing Number Sentences to Introduce Missing Values
Students balance number sentences to learn about missing values. In this balanced equations activity, students use the word problem to study missing values. Students watch a video about the topic and play two games about balancing...
Curated OER
Writing a Number Sentence
Third graders analyze word problems. In this number sentence lesson, 3rd graders evaluate word problems. Students create number sentences from word problems.
Waterloo Mathematics
Grade 7 Patterning and Algebra: Algebraic Expressions
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
Curated OER
Problem Solving Model
Use a vocabulary chart to introduce math functions. The class defines a list of mathematical vocabulary terms on a worksheet, as well as completes equations and expressions. They examine word problems and practice transcribing them into...
Curated OER
Chapter 11 Objective 5.1 Exercises
In this translating activity, students read word sentences, translate them to number sentences and solve the equation. This one-page activity contains ten problems.
Curated OER
Numeracy Starters
If you like to start each day with a new math challenge or warm-up, this resource is a must have. It includes 36 slides, each containing a different math challenge that stimulates algebraic reasoning, problem solving, and basic math...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Subtraction Sentences, Part 2
Take word problems one step further with apples, dimes, and bricks! After reading the word problems, first graders write out the subtraction sentence and solve the problems. For extra practice, bring in different items and have them...
Curated OER
Addition Properties
Student study addition properties. For this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
Curated OER
Algebra...Your Second Language
Help learners translate word problems into algebraic equations. They will rewrite words using symbols and evaluate algebraic expressions using real life scenarios, animation sequences, video presentations, and activities to help learners...
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...
Curated OER
Find the Missing Number
Kids can use the train themed number line to help them solve any of the 12 missing addend math problems. They must determine what plus the given number equals the provided answer.
Curated OER
Sentence Match
Fifth graders explore the concept of equivalency. In this math lesson, 5th graders write their own word problems and pair them to appropriate algebraic number sentences.
Curated OER
Deciphering Word Problems in Order to Write Equations
Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...
Curated OER
Multiples of 8 #2
How quickly can your third graders recite their eight times table? Help them with their mental math by focusing on multiplying by eight. After completing six number sequences, pupils solve word problems and multiplication sentences. A...
Curated OER
Algebraic Thinking - Equations
Fifth graders explore equality and inequality by participating in a Tilt/Balance activity. The students listen to the story "Lemonade for Sale" by Stuart J. Murphy and use equations to graph lemonade sale profits.
Curated OER
Missing Numbers Multiplication (E)
In this multiplication sentences learning exercise, students study the multiplication sentences and find the missing number to solve the 22 multiplication problems.
Curated OER
Variables and Open Sentences
Fourth graders examine the purpose of variables and identify the missing variable in open sentences. They observe the teacher solve a variety of problems, complete a worksheet as a class, and independently complete another worksheet. ...
Curated OER
Algebra on the Farm
Students develop algebraic equations to solve problems involving farm animals. They watch a video, use manipulatives to determine the number of birds and pigs on the farm, and create original problems for their classmates to solve.
Curated OER
The Value of a Number
Learners assess informal methods to solve real-world problems that utilize simple equations that involve one variable. They incorporate concrete objects to assist them in the solving of a variety of equations. The students are actively...
Curated OER
Algebra Vocabulary Crossword
In this algebra vocabulary worksheet, students complete a crossword puzzle, using a set of 13 algebraic clues and a word box given at the bottom of the page.