Curated OER
Multiplying by 10
Multiplying by 10 is simple, but do your scholars know the trick? They look at four examples; if you haven't learned this yet, see if they notice a pattern in these answers. They multiply 70 numbers by 10. Most are two-digit, but a few...
Curated OER
Rounding Decimals
Looking for 60 opportunities for scholars to practice rounding decimals to the nearest whole number? You've found it! These problems are split into three sections based on the total number of digits in the number. The first section has...
Houghton Mifflin Harcourt
Three Skeleton Key
Encourage your students to interact with the text as they read. While reading "Three Skeleton Key," class members note predictions, define words and study their meanings, take notes on how the suspense builds, and jot down ideas...
Curated OER
It All Adds Up : Puzzle 10
In this addition puzzle instructional activity, students fill in the 10 spaces in a math puzzle. Students may use each digit once in each row and column. Each row and column must add up to the given number.
Curated OER
Magic Sum
Students calculate two-digit addition problems. They observe a teacher-led demonstration, and solve various problems independently.
Curated OER
A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
Curated OER
It All Adds Up -- Puzzle #14
In this addition puzzle matrix worksheet, students insert 8 numbers in the puzzle to make the rows, columns, and diagonals add up to the proper numbers.
Curated OER
Crossmath Puzzles
For this addition and subtraction worksheet, students complete four puzzle squares. Students fill in the blanks to get the answers at the right side and at the bottom. Numbers may only be used once in each row or column.
Curated OER
It All Adds Up -- Puzzle #30
In this addition matrix puzzle worksheet, students insert 8 numbers that make the puzzle add up horizontally, vertically, and diagonally.
Curated OER
It All Adds Up -- Puzzle #15
In this addition matrix puzzle worksheet, students insert 8 numbers into the matrix so the numbers add up diagonally, vertically, and horizontally.
Curated OER
It All Adds Up -- Puzzle #18
In this addition matrix puzzle worksheet, students insert 8 numbers into the matrix so that the numbers add up vertically, horizontally, and diagonally.
Curated OER
How Sweet It is! A Colorful Sugar Solution Density Column
Learners examine the affect of density. Using a graduated cylinder and equally prepared volumes of sugar-water solutions and food color, students observe a sugar rainbow. They discover that the greater the amount of sugar in the...
Curated OER
Addition Trick with Negative Numbers
In this algebra worksheet, learners solve word problems that combine rules about adding a negative number. There are 16 questions with an answer key.
Curated OER
Too gross! Addition Tricks with Derivatives
In this calculus worksheet, students evaluate derivatives by playing a game. They pick 4 different derivatives to evaluate and find the sum of the solved derivates to find a number that is gross. There are 12 questions to choose from.
Curated OER
Get Smart!: Addition Tricks with Integrals
In this definite integrals worksheet, students find the definite integrals of 16 functions. Students find definite integrals for a given interval in order to find the name of Maxwell Smart's partner.
Curated OER
Mental Addition And Subtraction
Sixth graders, while in the computer lab, participate in the game ArithmAttack and complete as many additions and subtraction equations as they can in sixty seconds. They access the web site Mathfrog.com and begin their adventure with...
Curated OER
Mental Addition and Subtraction
Fourth graders, while in the computer lab, practice the concepts of mental addition and subtraction by participating in an online game that stresses addition and subtraction. They have sixty seconds to answer as many questions as...
Curated OER
Magic Squares
In this magic squares worksheet, students solve 3 different magic squares shown on the sheet. First, they identify the numbers already used in each square. Then, students determine which number goes in each blank to equal the same sum in...
Curated OER
Addition of Money (1) : English Pounds and Pence
In this money worksheet, students solve 15 problems in which English pounds and pence are added. Some of the problems will need to be recopied with the decimals lined up.
Curated OER
Addition Squares
In this math worksheet, students practice using logical problem-solving skills in mathematics. The sheet is intended to be a teacher's guide.
Curated OER
Same and Different
For this mathematics instructional activity, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems...
Curated OER
Adding And Subtracting Decimals
In this adding and subtracting decimals worksheet, students, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
Math Salamanders Ltd.
Column Subtraction 3 - Digits Sheet 2
In this subtraction worksheet, students practice subtracting in columns. Students complete the worksheet by solving twelve three-digit subtraction problems.
Curated OER
Addition With Regrouping
In this addition with regrouping activity, students complete a set of 12 problems; all problems are laid out in a "graphic organizer" style box and the tens and ones columns are labeled.
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