Interactive
CK-12 Foundation

Properties of Rational Numbers: Lollipop Trees

For Students 6th - 8th Standards
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios.  Question types include multiple-choice, true or false, and a discussion. 
Worksheet
Curated OER

Products with Odd and Even Numbers

For Students 3rd - 5th
There's a pattern here! Scholars find products of 36 number pairs separated into three sections: odd multiplied by even, odd multiplied by odd, and even multiplied by even. After they finish each set, they write a sentence about what...
Worksheet
Curated OER

Positive & Negative Numbers

For Students 6th - 8th
Young mathematicians solve and complete 22 different problems that include using a number line to evaluate. First, they define each of the terms listed. Then, pupils graph each integer on the given number line. They also evaluate each...
Worksheet
Curated OER

Number Lines and Whole Numbers

For Students 1st - 2nd
Number lines are a great way to help beginning mathematicians comprehend addition and subtraction. They examine an addition equation and find the sum using the number line. Learners indicate the sum on the line and write it into the...
Lesson Plan
Curated OER

Problem Solving - Adding Whole Numbers

For Teachers 3rd - 5th
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
Lesson Plan
Curated OER

Absolute Value and Basic Operations With Real Numbers

For Teachers 6th - 8th
Middle schoolers investigate the mathematical concept of absolute value by counting the number of steps taken in two directions. Using the number line the teacher can note how they can forward and backward without changing the absolute...
Lesson Plan
Curated OER

Cardinal and Ordinal Numbers

For Teachers 2nd - 3rd
Good, basic practice for young mathematicians can be found on this worksheet. Learners must write the cardinal or ordinal number in the space after the number word. Some examples are; sixteen, thousand, eleventh. This could be used as...
Lesson Plan
Curated OER

Numbers and Operations

For Teachers 6th - 8th
Students practice using proportions to discover the fraction needed to use the right amount of an ingredient. They calculate the number of ounces in one gallon as well. They answer questions to complete the lesson plan.
Worksheet
Curated OER

Missing Numbers

For Students 2nd - 3rd Standards
In this number sequence worksheet, students examine 6 number sequences and fill in 1 missing number in each sequence. Next, students use the strategy of counting by ten to complete 5 different number sequences.
Worksheet
Curated OER

Decomposing Numbers Step-By-Step

For Students 1st - 2nd
Here are two addition-related exercises. However, bear in mind, the explanations are featured below each of them. Use this as an all-class warm up, revealing the explanations if and when you see fit. First, examine the four sets of...
Worksheet
Curated OER

Number Lines and Whole Numbers

For Students 2nd - 3rd
Number lines come in handy once again! Use them to help scholars visualize addition and subtraction problems. They examine five lines to determine which equation each represents, then match them to a list of answers. Consider covering...
Worksheet
Curated OER

Multiplication of Whole Numbers

For Students 3rd - 5th
Break up multiplication into more easily conceptualized math operations. Scholars first examine an array of apples and write a multiplication sentence to represent it. Then, they determine which of four sets of addends is equivalent to a...
Worksheet
Curated OER

Represent Mixed Numbers on a Number Line

For Students 3rd - 5th
See fractions visually with these eight images, each of which has a matching numerical fraction. The images have a row of objects representing the numerator and denominator. This is a nice way to show what a fraction actually means.
Handout
National External Diploma Program Council

Numbers

For Students 2nd - 4th Standards
The written form for 345 is three-hundred forty-five, where as the word form for 70% is seventy percent. Here, young mathematicians read 10 sentences and write the word form of each number in the sentences.
Lesson Plan
Curated OER

Rational Numbers in Lowest Terms

For Teachers 12th - Higher Ed
In this rational numbers worksheet, young scholars write equivalent forms of rational numbers, divide rational numbers, and express them in their lowest terms. This two-page worksheet contains five problems.
Worksheet
Curated OER

Prime Factorization - Practice 7-2

For Students 3rd - 5th
Finding the prime factors of two numbers is the focus of this math worksheet. Students write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.
Worksheet
Curated OER

Take Whole Tens: Subtraction with a Number Line

For Students 1st - 2nd
A tens number line helps your class understand how to "hop" backward to subtract by 10's. Ten practice equations are expressed as math sentences (in word form) using the expressions "take __ from __" and "subtract." A little cartoon...
PPT
Curated OER

Spelling Numbers

For Teachers 1st
Spelling your number 1-10! Here is a list of number words 1-10, each slide has the numeral and the corresponding number word.
Worksheet
Curated OER

Unknown Numbers in Sums and Differences

For Students 1st - 2nd
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
Lesson Plan
Curated OER

Writing Numbers - Different Forms

For Teachers 4th - 6th
Elementary schoolers write numbers in different forms. In this mathematics lesson, learners complete a worksheet where they will practice writing numbers in standard, word, and expanded form. 
Worksheet
Curated OER

LCM: Factor Trees, Numbers Up to 10

For Students 4th - 5th
Fourth and fifth graders complete factor trees to find the lowest common multiple out of the two numbers given up to the number 10. Students complete four problems.
Interactive
Curated OER

Subtracting Mixed Numbers

For Students 3rd - 6th
In this math learning exercise, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.
Worksheet
Curated OER

Adding 8 to a Single Digit

For Students K - 2nd
In this addition worksheet, students solve 10 math problems in which they add 8 to a single digit number. The answers are on the second page.

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