Illustrative Mathematics
Illustrative Mathematics: Rounding to Tenths and Hundredths
The purpose of this task is for students to use the position of a number on the number line to round the number without knowing its exact value. Though this task deals most directly with rounding, it also requires students to understand...
abcteach
Abcteach: Teach: Decimals
[Free Registration/Login Required] Educators can generate worksheets for primary or elementary grades that focus on decimal addition, subtraction and fraction practice. Worksheets include graphics and answer key.
PBS
Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line
n this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line.
Illustrative Mathematics
Illustrative Mathematics: The Value of Education
The purpose of this task is for students to add, subtract, multiply, and divide decimal numbers in a real-world context. The weekly income earned by each person in the task is the median weekly income for their education level, but they...
CK-12 Foundation
Ck 12: Arithmetic: Numbers in Expanded Form
[Free Registration/Login may be required to access all resource tools.] Express decimals in expanded form.
CK-12 Foundation
Ck 12: Arithmetic: Combinations of Decimal Money Amounts
[Free Registration/Login may be required to access all resource tools.] Write amounts of money as decimals.
Knowledge Share
Super Kids: Rounding Numbers Worksheet Creator
Create your own math facts worksheets for rounding numbers. Problems can positive and negative numbers and decimal values. The user inputs the maximum and minimum values of the numbers to be used, makes decisions about negatives and...
Quia
Quia: Decimal and Whole Number Jeopardy
You can use this web site to compare and round numbers and to also practice rounding whole numbers and decimals. You can just play by yourself or with another player! See how many points you can get.
Sophia Learning
Sophia: Tenths
Students learn about the tenths decimal place value. The tutorial includes detailed examples.
Alabama Learning Exchange
Alex: Decimal War
Students will use base 10 manipulatives to build models of decimal numbers. Students will compare decimal numbers. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone...
Illustrative Mathematics
Illustrative Mathematics: 5.nbt Are These Equivalent to 9.52?
Presents six sets of numbers in various formats and students are asked to determine which ones are equivalent to the decimal number 9.52 and to explain their reasoning. Aligns with 5.NBT.A and 5.NBT.A.3.
PBS
Pbs Learning Media: How Many Rails for the Detour?
The CyberSquad adds decimals to figure out how many rails they need to build a detour that will help them go around a mountain in this Cyberchase video segment.
CK-12 Foundation
Ck 12: Arithmetic: Large Decimal Rounding to Decimal Representations
[Free Registration/Login may be required to access all resource tools.] Round very large numbers to a given place value.
CK-12 Foundation
Ck 12: Elem Math: Expressing Decimals in Hundredths
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in hundredths by moving the decimal to the right. The video is followed by additional problems for students to practice...
CK-12 Foundation
Ck 12: Elem Math: Expressing Decimals in Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in thousandths by moving the decimal to the right. The video is followed by additional problems for students to practice...
CK-12 Foundation
Ck 12: Elem Math: Expressing Decimals in Tenths
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in tenths by moving the decimal to the right. The video is followed by additional problems for students to practice the...
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding on a Number Line
[Free Registration/Login may be required to access all resource tools.] Round decimals using a number line.
Purple Math
Purplemath: Number Bases: Introduction & Binary Numbers
The process of converting between different number bases is actually fairly simple, but the thinking behind it can seem a bit confusing at first. And while the topic of different bases may seem somewhat pointless to you, the rise of...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[Free Registration/Login may be required to access all resource tools.] In this lesson students round small decimals to the place value of the leading digit. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Math Grade 4
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
CK-12 Foundation
Ck 12: Math Grade 3
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Primary Resources
Primary Resources: Follow Me "Loop" Math Games
An extensive collection of premade cards for "loop" games in math. These "I have, Who has?" cards are available for counting on and back, capacity, place value, addition, subtraction, multiplication, division, fractions, decimals, money...
CK-12 Foundation
Ck 12: Elem Math: Expressing an Equivalent Decimal Ending in Zero to Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to add zeros as place holders at the end of a decimal to make an equivalent decimal out to the thousandths place value in this example.
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