Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Curated OER
Secret Code Riddles: Addition & Subtraction
In this riddle worksheet, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to solve...
Curated OER
A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Curated OER
Integer Computation
In this integer computation activity, 5th graders solve and complete 14 different problems that include solving various types of integers. First, they use the code in the columns to solve the 3 puzzles at the bottom of the sheet....
Curated OER
Boat Safety Math
What should you always carry on a boat? Learners must solve ten addition and subtraction problems to solve this riddle. The equations include single and double-digit numbers, but no negative numbers are used. They also don't need to...
Curated OER
Fourth of July Add or Subtract Worksheets
There are actually two Independence-Day-themed worksheets in this resource. Patriots solve three-digit addition and subtraction problems, then find the letter from the key that corresponds to each of their answers. As they place each...
Curated OER
Linear Equations
In this algebra worksheet, students solve linear equations through graphing and the use of formulas. There are 34 questions ranging from addition and subtraction of linear equations to graphing and substitution.
Curated OER
Odd or Even (Sums and Differences)
In this math worksheet, learners examine 14 problems inside geometric shapes. Students solve the simple addition or subtraction problems and color the shape blue if the answer is even and red if it is odd.
Curated OER
Quiz: Calculator Fun
In this calculator fun activity, students use a calculator to find the product, quotient, sum and difference of given equations. Afterward, they turn the calculator upside-down to discover a word displayed on the calculator screen. This...
Curated OER
You Know the Answer: Math Riddle
Although the riddle is an outdated political reference, this math challenge is a good practice in operations and domain-specific vocabulary. Learners complete 18 problems, using multiplication, division, subtraction, and addition. Some...
Curated OER
Critical Thinking Problems
Young mathematicians practice their reasoning as well as adding and subtracting skills with this worksheet that includes five simple word problems about birthdays. Learners are give pictures of birthday cakes and based on the number of...
Drexel University
Learning Roomba Module 1: Robotics Introduction
Introducing Mr. Robot. As an introduction to robotics, class develop a definition of a robot and make distinctions between real robots and those in science fiction. They also study the basics of programming in Java to program a Roomba.
Raytheon
Strategies for Solving Math Word Problems
In this strategies for solving math word problems worksheet, students read two pages of examples and explanations, then solve 42 addition, subtraction, multiplication and division problems, answer sheet included.
Curated OER
You Know the Answer
In this problem solving worksheet, 4th graders are given an answer to a question and must solve the mathematical problems to discover the secret question. Students solve for 18 problems using addition, subtraction, multiplication and...
Curated OER
Genome Interactions
In this genome interactions worksheet, students read the passage about genome interactions then apply the knowledge to answer several short answer questions.