Numbers and Operations Teacher Resources
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Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations lesson, students work in groups to create a game for the math skill they are given.
3rd - 4th Math 13 Views 256 Downloads
Independent Practice 1: Number Operations
In this number operations instructional activity, students write in the missing symbols between the numbers to make the equation correct. For example: 4 __ 3__ 1, and students write in the symbols so it reads: 4 - 3 = 1. There are 20 problems on this instructional activity.
3rd - 5th Math 4 Views 9 Downloads
Complex Numbers (Part 1)
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He starts showing how to divide two complex numbers, but runs out of time and continues in the next video.
7 mins 9th - 11th Math 3 Views 1 Download
Fourth graders examine the relationship between multiplication and division and subtraction and division, and determine which operation is needed to solve various problems. They observe and participate in a teacher-led lecture, and complete various worksheets.
4th Math 3 Views 29 Downloads
Complex Numbers (Part 2)
This video continues looking at dividing complex numbers by looking at the conjugate of a complex number. The instructor then uses the conjugate to rationalize the denominator of a rational expression with a complex number in the denominator.
9 mins 9th - 11th Math 3 Views 0 Downloads
Using Percents in the Real-World
Seventh graders use a variety of strategies to solve problems with integers, fractions, decimals, and percents. In this number operations lesson, 7th graders discuss sales tax and use grids to represent money and percents. Students shade in the grid to solve percent problems.
7th Math 58 Views 329 Downloads
Numbers and Operations: Addition and Subtraction Grade 2
Using unifix cubes, a spinner, a number line, and fact family triangles second graders will play their way to subtraction competency. They engage in a series of activities that has them playing game that require them to add and subtract single and simple double-digit numbers.
2nd Math 40 Views 314 Downloads CCSS: Adaptable
Number, Number Sense and Operations Standard for Ohio
Fifth graders explore the concept of number sense and operations as it relates to handling money. For this number sense lesson, 5th graders work with change flashcards to practice giving the correct change in a money transaction. Students then perform more difficult problems relating to money exchange.
5th Math 4 Views 5 Downloads
Spin Your Number Wheels!
Students measure and problem solve to fabricate a multi-step, interactive math-learning tool. They calculate correct number bonds (equations) while using their number wheels. Students comprehend that addition and subtraction are inverse relationships.
1st - 3rd Math 3 Views 6 Downloads
Even and Odd Numbers Closure Activity
Young scholars practice the concept of mathematical closure as it relates to even and odd numbers. In this math lesson, students perform 4 different tasks to understand the number closure concept. Young scholars identify, explain, predict, determine, and make calculations to arrive at correct mathematical conclusions.
1st - 2nd Math 3 Views 16 Downloads
Apple Farm Field Trip
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their fluency with adding and subtracting two-digit numbers by implementing strategies of their own choosing.
1st - 3rd Math 69 Views 56 Downloads CCSS: Designed