Concord Consortium
Last Digit Arithmetic
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve both...
CK-12 Foundation
Integers that Represent Different Situations: Football Field
A football-themed interactive focuses on integers. Seven questions challenge scholars to show what they know by way of short answers, multiple-choice, and true or false. An open-ended question followed by a discussion concludes the...
Curated OER
Mystery Math
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
Curated OER
The Difference Bar 2
Pupils use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Pupils describe...
Curated OER
Subtraction Equations
In this subtraction equations learning exercise, students problem solve thirty subtraction equations for mastery. Students double check their answers.
Curated OER
Subtraction: Subtracting 7
In this math instructional activity, students solve 30 problems in which the number 7 is subtracted from a 2 digit number. There is borrowing on the page.
Curated OER
Basic Subtraction Facts
In this basic subtraction facts worksheet, students solve 15 subtraction facts. Each fact includes only one-digit numbers.
Curated OER
Mental Math Ideas
In this mental math worksheet, students complete the multiplication and subtraction problems where they use the strategy "subtract all digits from 9 except the last one from 10". Students complete 26 problems.
Curated OER
MathKeys Software "Unlocking Whole Numbers, Vol. 11(Place Value for Four Digit Numbers)"
Third graders explore the place values of four digit numbers by writing four digit numbers and examining the effects of rearranging the numbers' digits. They practice making their four digit number with base-ten blocks then rearrange the...
Curated OER
Addition Subtraction
In this sum and difference worksheet, students find the sum and difference of one digit numbers in word form and in number form. Students complete 11 problems total.
Curated OER
Revise Subtraction (pg. 2)
For this subtraction worksheet, the students figure out 14 subtraction problems using regrouping, decimals, positive and negative numbers. The students must tell if the problems are true or false.
Curated OER
Subtraction Practice Series (Single Digits)
In this math learning exercise, students solve 30 basic subtraction facts 0-10. The problems are written in vertical format. There are no graphics on the page.
Curated OER
Subtracting Single Digits From Whole Hundreds
In this subtraction activity, students subtract 8 single digit numbers from 8 whole hundred digit numbers and write their answers in the boxes provided. Students supply the missing numbers in 4 additional subtraction problems.
Curated OER
Subtraction Review
In this subtraction learning exercise, students review their subtraction skills. They find the difference of numbers in six problems.
Curated OER
Math Cross--Puzzle #4
In this single digit addition, subtraction and multiplication worksheet, students complete a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
Curated OER
Digit and Symbol Cards
In this math worksheet, students cut apart 15 cards, each containing one digit from 0 to 9 or the addition, subtraction, multiplication or division signs. There are also cards for the equal sign and greater than sign. There are no...
Curated OER
Addition and Subtraction
In this addition and subtraction worksheet, students add and subtract three and four-digit numbers with decimals. They justify their answers. This two-page worksheet contains approximately 12 problems.
Curated OER
Draw a Picture
In this subtraction worksheet, students solve one digit subtraction story problems. There are six story problems to solve.
Curated OER
Four digit number word problems
In this four digit number worksheet, students complete 4 digit number word problems involving money, measurement, and more. Students complete 10 multiple choice questions.
Curated OER
Problem Solving with Addition and Subtraction
In this addition and subtraction instructional activity, students answer multiple choice questions about addition and subtraction in word problems. Students answer 10 questions using 2 and 3 digit numbers.
Curated OER
Problem Solving: Act It Out With Models 3.8
In this acting it out with models to problem solve worksheet, learners use counters to solve one-digit subtraction problems and draw or write explanations of their answers. Students solve three problems.
Math Worksheets Land
Add and Subtract within 1000 - Independent Practice Worksheet
Give your mathematicians some practice with three-digit numbers as they complete these addition and subtraction problems. There are six vertically-formatted equations to start, then learners add to and subtract from eight numbers...
Curated OER
Make a Ten
Youngsters mentally perform calculations involving addition and subtraction. They solve various addition and subtraction word problems using mental math and counters, write their own number stories, and solve various examples...
Curated OER
The Weight of Primates
Second graders practice their problem solving skills. In this addition and subtraction skills lesson, 2nd graders solve word problems that require them to find differences and sums. This lesson features the use of a video titled "Blossom...