Curated OER
Native American Pebble and Pot Game
Students participate in a game using 12 manipulatives. In this addition and subtraction lesson students play a game originated by the Native Americans and look at a number of items and calculate how many are hidden. Items looked at and...
Curated OER
2 digit addition
In this addition worksheet, students solve 2 digit addition problems with regrouping. Students solve 12 addition problems and have a review in the beginning.
Curated OER
Addition
In this mental addition worksheet, students read the method for adding a series of three 2 digit numbers without paper and pencil. Students solve 16 mental addition problems.
Curated OER
Building a Telescope
Students construct a simple refracting telescope. They calculate the magnification.
Curated OER
Numbers and Operations as Words
Teach numbers in word form with this activity. In this numbers and operations worksheet, learners solve 22 problems in which numbers are written in word form. Students solve the problems and write their responses in word form. Example:...
Curated OER
Measures of Central Tendency
In this measures of central tendency worksheet, students solve and complete 6 different problems. First, they count the number of items in each set of data. Then, students determine the mean, median and mode for each. In addition, they...
Curated OER
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.
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
Arithmetic Tricks
In this arithmetic tricks worksheet, students learn tricks and complete problems involving exponents and multiplication x 11. Students complete 11 problems total.
Curated OER
Adding Two-Digit Numbers
In this adding two-digit numbers worksheet, learners, working with a partner, problem solve seven addition equations and word problems.
Curated OER
Estimating the Cost of Shopping
In this math instructional activity, students choose 20 items from a shopping list that includes the price of each food. Students estimate the cost of the list and then figure out the actual cost.
Curated OER
Addition Properties and Subtraction Rules
In this addition and subtraction worksheet, learners review the addition properties and the subtraction rules. Students then complete each number sentence and tell which property or rule was used.
Curated OER
Adding Three Numbers
In this addition activity, 2nd graders solve 11 three double-digit number addition math problems by lining up the numbers by tens and ones.
Curated OER
Riddles (Math Puzzles)
In this math worksheet, students solve 4 math riddles in which the mystery number is determined. Students analyze the clues and name the mystery number.
Curated OER
Explorit's Do-It-In-Your-Head Numbers Quiz
In this mental math worksheet, students complete a 6 question multiple choice online interactive activity without using pencil, paper or calculator. Included are word problems, multiple operations, averaging, and basic arithmetic.
Curated OER
Mental Math: Use the Properties-Reteach
In this mental math reteach instructional activity, students review the commutative, associative and distributive properties, then complete a set of 13 problems. A reference web site is given for additional activities.
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson plan on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
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Homonyms
In this homonyms instructional activity, students read the sentences and underline the 2 homonyms in each sentence. Students complete 16 sentences total.
Curated OER
Math Pyramid
In this math worksheet, students practice solving the problems by finding the values of the numbers listed in each of the six pyramids.
Curated OER
College Prep Worksheet Chapter 2, 2.1-2.4, 2.6, 2.8 & 7.5
In this algebra worksheet, students identify the coefficient, simplify expressions, solve algebraic equations, and graph inequalities. This worksheet contains 93 equations, with an answer key.
Starfall
Starfall: Addition Sums to 10
An engaging interactive math activity where students practice adding two sets of objects with a sum less than or equal to ten.
CK-12 Foundation
Ck 12: Addition Sentences Up to Sum Ten
[Free Registration/Login may be required to access all resource tools.] The video uses pictures to determine which set of pictures represents the addition problem 3 + 6 = 9. The video is followed by practice problems.
ABCya
Ab Cya: Drop Sum: Addition
Drop Sum is an 8-bit style math game for kids to practice addition. Drop Sum has 2 modes of play: Make 10 & Random. In Make 10 mode kids must add falling blocks together to equal 10. In Random mode kids must add falling blocks...
CK-12 Foundation
Ck 12: Addition Sums to Ten
[Free Registration/Login may be required to access all resource tools.] The video uses a model to aide in showing how to add numbers up to ten. In addition to the video, there is a PLIX interactive challenge where students answer...