Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...

A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...

First graders examine the use of number lines in problem solving situations in this series of lessons. They participate in activities in which they move forward and backward on number line on the playground before doing paper and pencil...

In this adding decimals worksheet, students add numbers with decimals in the hundredths place. Students complete 4 sets of problems.

Students read, write, and identify different coin combinations and use this information in real-world situations.

In this adding decimals worksheet, students add numbers with decimals after looking at examples and number lines. Students complete 6 problems.

Students gather information by analyzing graphs, diagrams and pie charts. In this graphs and diagrams lesson, students complete addition and subtraction problems. Students discuss a pie chart. Students use information to crate a stacked...

First graders practice counting to solve simple addition problems. They count forwards and backwards and are asked to explain how they worked out the problem presented to them and worked on paper as well as mentally in their minds.

Pupils solve numerical equations with negative numbers. They use the number line to compare the relationship of numbers greater than zero to those less than zero. They practice starting at various points on the number line and then...

Sixth and seventh graders investigate the concept of negative numbers. The instructional activity begins with a review of positive numbers and progresses to the various operations with negative numbers. The instructional activity...

Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...

In this subtraction worksheet, students solve 36 problems in which numbers below 20 are subtracted. The minuend has two digits and the subtrahend has only one.

Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...

Young scholars use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They...

Learners use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...

Students analyze the multiplication facts from zero to ten in the ten lessons of this unit. The concepts of mental multiplication and solving word problems are important components of this unit.

Students explore fact families. In this math activity, students use links to model a fact family. Students solve addition and subtraction problems.

Pupils practice adding and subtracting mentally and use the words more and less to describe whether they are adding and subtracting. They use cards to play this math game.

Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...

In this constructions and loci worksheet, learners mentally calculate subtraction, addition and division problems.  This two-page worksheet contains 30 problems.  Answers are provided.

Students listen to the book, Splash in the Ocean. Then they use fish counters, fish stickers, numbers and symbols to solve addition story problems.

Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...

Students use, read and write with metric units. They practice converting from larger to smaller units. Afterwards, they construct a scale drawing of a bridge. In addition, they construct these two designs, using the same scale of 1cm to...