Multiplying Decimals by Powers of Ten

Grade Level(s):  6^th Grade

Content Area:                                                                        Process Area:

Numbers and Operations                                           Problem-Solving

Algebra                                                           Reasoning and Proof

Geometry                                                                    Communication

Measurement                                                             Representation

Data Analysis, Statistics, and Probability                    Connections

Common Core Standards:

CCSS.MATH.CONTENT.5.NBT.B.7: Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

Targeted Needs of Student:

Connecting understanding of the power of ten to decimals, kinesthetic way to show moving decimal, introducing moving the decimal, working with place value

Goal:

Visually seeing the impact of multiplying and dividing by ten regarding decimals.

Materials Needed:

1.      Sentence Strips

2.      Smaller strips of paper

3.      Marker

4.      Scissors

Explanation/Summary:

Students be given a decimal problem and then asked to divide and/or multiply by ten. By moving the smaller strip of paper, they can move the numbers (or move the decimal) to show how the power of ten can impact a number.

Resource:

Shared with me from Lillie Herman in SES 472