Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
Activity
Noyce Foundation

Diminishing Return

For Students K - 12th Standards
Challenge individuals to compete as many tasks as possible. Lower-level tasks have pupils apply costs and rates to solve problems. Upper-level tasks add algebraic reasoning and conditional probability to the tasks.
Worksheet
Curated OER

Long Division with Decimals

For Students 5th - 10th
In this long division with decimals learning exercise, students solve problems where they complete long division with dividends with decimals. Students complete 10 problems total.
Worksheet
Curated OER

Arrange and Add

For Students 3rd - 5th
In this addition of numbers with decimals learning exercise, students rearrange the numbers vertically with proper place value placement and add. Students solve six problems. 
Lesson Plan
Curated OER

Get My Point!

For Teachers 3rd - 7th
Here is one of the better lessons I've come across on how to teach fractions and decimals. This lesson does a great job of showing how these two mathematical representations of numbers are interrelated. Some excellent websites, printable...
Worksheet
Curated OER

The Summer School Math Worksheets-Multiplication, Division, Fractions Level 5

For Students 5th - 7th
In this summer school math worksheet, students complete 100 multiplication problems in which 3 digit numbers are multiplied by 2 digit numbers. Students also solve 100 problems in which simple fractions with unlike denominators are added...
Worksheet
Curated OER

Multiplication With Decimals

For Students 5th - 6th Standards
In this multiplying decimals worksheet, learners solve 24 multiplication problems. Each problem has a decimal being multiplied by a two or three-digit number.
Worksheet
Curated OER

Dividing With Decimals

For Students 6th - 7th Standards
In this decimal division worksheet, students solve 18 division problems. Each problem includes decimals as the dividend, divisor, or both.
Lesson Plan
Curated OER

Multiplying Decimals and Mixed Numbers

For Teachers 7th - 12th
Learners practice multiplying decimals and/or mixed numbers, explore the effects of multiplying decimals and mixed numbers, and practice predicting the effects of multiplying a number by a decimal or mixed number.
Workbook
Utah Education Network (UEN)

Ch 0: Fluency

For Students 6th Standards
Become fluent in the language of mathematics. Scholars learn to divide multi-digit whole numbers and determine the most significant common factor and the least common multiple. They also investigate how to apply the distributive property...
Unit Plan
Benjamin Franklin High School

Saxon Math: Algebra 2 (Section 1)

For Teachers 9th - 12th Standards
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...
Assessment
Noyce Foundation

Sewing

For Teachers 6th Standards
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
Lesson Plan
Willow Tree

Rational vs. Irrational Numbers

For Students 7th - 10th Standards
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
Interactive
CK-12 Foundation

Numbers in Expanded Form: Pennies Expanded Form

For Students 6th
Beginning with a word problem that poses the question of making groups of 10 pennies to translate into a single dime, pupils are challenged to make sense of the amount of dollars 33 cents is in expanded form.
Lesson Plan
EngageNY

The Relationship of Addition and Subtraction

For Teachers 6th Standards
Add an outstanding resource to your repertoire. The first installment of a 36-part module looks at the relationship between addition and subtraction through an activity using tape diagrams. Pupils develop the identities w – x + x =...
PPT
Curated OER

Multiplying a Number by 10

For Teachers 2nd - 4th
A cheery presentation on multiplying whole, and decimal numbers by 10. Learners are coached to simply add a zero to the number which is being multiplied by 10. An excellent way to pass along one of the all-time best mental math tricks.
Lesson Plan
Consumers Energy

The Cost of Electricity

For Teachers 6th - 12th Standards
How much is your toaster costing you every day? Young environmentalists calculate the monetary costs of household appliances based on their average consumption of wattage.
Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Students access prior knowledge to round numbers and add decimals. In this mental math lesson, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
Worksheet
Math Salamanders Ltd.

Place Value—Tenths and Hundredths Sheet 5

For Students 3rd - 5th Standards
For this finding of the sums of decimals and whole numerals worksheet, learners convert decimals from tenths to hundredths and add the same place values and whole numbers. Students solve 40 problems.
Worksheet
Math Salamanders Ltd.

Column Addition Money 3 Digits Sheet 2

For Students 3rd - 5th Standards
In this finding the sums of money problems instructional activity, learners add three-digit problems with decimals and regrouping. Students solve 20 problems.
Lesson Plan
Curated OER

Number Operations

For Teachers 3rd - 4th
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...
Lesson Plan
Curated OER

Build Your Dream Bedroom

For Teachers 7th Standards
Designers measure their own rooms and produce a scale drawing. They use the Internet to visit sites to find the costs of purchasing new carpet, paint, or anything else they would like to add to their room. Using a $1500 budget, they will...
Lesson Plan
National Security Agency

Money Maters: Integers are Integral!

For Teachers 5th - 7th Standards
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Worksheet
Curated OER

Addition Drills, part 4

For Students 2nd - 3rd Standards
Show kids that addition has real-life applications as they add up measurements and money. There are some examples here demonstrating regrouping and including units in an answer. They complete 20 measurement addition problems, each with...