Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Curated OER
Make it Easier-- Add, then Take
In this math worksheet, students learn a mental math strategy in addition called compensation. When adding a number such as 29, students learn to add 30, then take 1 away. Students solve 25 problems in which they round to the nearest...
Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to add and subtract.
Curated OER
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.
Curated OER
Checking Subtraction with Addition and Writing Number Sentences
In this math worksheet, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
Curated OER
Finding Addition Patterns
Pupils practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Math Match Up!
Help learners solve problems using multiplication and repeated addition. Using counters, learners will be paired up to solve problems. They will go through a series of questions and show models with the counters for the solution. Then...
Inside Mathematics
Conference Tables
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and use them to...
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition instructional activity, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Write a Number Sentence
In this number sentences worksheet, students learn to solve the addition and subtraction word problems by writing number sentences for each problem.
Curated OER
Jumping Addition
Students add and jump using a number line. In this jumping addition lesson plan students solve addition problems. Students work with a partner to solve a series of addition problems.
Curated OER
A Human Number Line
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Utah Education Network (UEN)
Pattern Search
Pupils identify and define various mathematical properties, such as the commutative properties of addition and multiplication, and the associative property of addition. They also reason and communicate mathematically by making...
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Curated OER
Part-Whole Mats
A part-whole mat is a great way to practice simple addition using math manipulatives. Learners choose a number card and place it at the top of their mat. Using counters, they record the different number pairs which would add together to...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. For this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about...
Curated OER
Addition Worksheet: Totals 10 or Less #2
In this addition activity, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
Curated OER
The Difference Bar 1
Students use mental strategies to work out the difference between 2 two-digit numbers where the answer is less than ten. They write and solve difference problems where one number is a two-digit number and the other is a single digit...
Curated OER
Magic Math Morning Work
In this fact families worksheet, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
Curated OER
M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Curated OER
Bill's Number Plates
Students create license plate number combinations using a maximum of six characters, numbers or letters. They discuss personalized license plates, and in small groups create original license plate letter and number combinations to...
Mr. Nussbaum
Abraham Lincoln Reading Comprehension—The Middle Years (Part 2)
Abraham Lincoln's face may only be worth one cent, but the online reading passage and questions about his life are an invaluable resource. Pupils read a passage about Lincoln's experience with the Illinois Legislature, earning his law...
Curated OER
Addition: Getting To Ten Then Adding The Rest
In this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.