Separate Result Unknown: Addition & Subtraction

Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...

Third graders read and solve six word problems and decide whether to add or subtract. The numbers range in 2-digit up to 4-digit.

Invite your youngsters to practice addition and subtraction by playing this game. Kids must determine the answer to each math problem and place that problem on the segment of the caterpillar that holds the answer.

In this adding and subtracting fractions instructional activity, students find the sums and differences of fractions with common denominators. Students solve 10 problems.

Whether your pupils need extra help or they simply need to practice their basic computation skills, this packet will do the trick. It includes a written rationale, answer key, and over 10 pages of double-digit addition and subtraction...

Why can't mathematicians add just like they multiply fractions? The resource provides a counterexample to show that the same rules for multiplying fractions do not work for addition. Using the counterexample, learners see the proper way...

Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...

RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...

Students demonstrate how to solve addition and subtraction of fractions. In this fractions lesson, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.

Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...