Overview: 
Module 1, Topic A begins with a conceptual exploration of the multiplicative patterns of the base ten systems. This exploration extends the place value work done with multidigit whole numbers in Grade 4 to larger multidigit whole numbers and decimals. Students use place value disks and a place value chart to build the place value chart from millions to thousandths. They compose and decompose units crossing the decimal with a view toward extending their knowledge of the 10 times as large and 1/10 as large relationships among whole number places to that of adjacent decimal places. This concrete experience is linked to the effects on the product when multiplying any number by a power of ten. For example, students notice that multiplying 0.4 by 1,000 shifts the position of the digits to the left three places, changing the digits’ relationships to the decimal point and producing a product with a value that is 10 10 10 as large (400.0) (5.NBT.2). Students explain these changes in value and shifts in position in terms of place value. Additionally, students learn a new and more efficient way to represent place value units using exponents (e.g., 1 thousand = 1,000 = 103) (5.NBT.2). Conversions among metric units such as kilometers, meters, and centimeters give students an opportunity to apply these extended place value relationships and exponents in a meaningful context by exploring word problems in the last lesson of Topic A (5.MD.1). 
Content Standard(s): 
Mathematics MA2015 (2016) Grade: 5  5 ) Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use wholenumber exponents to denote powers of 10. [5NBT2]
NAEP Framework
 Mathematics MA2019 (2019) Grade: 5  3. Using models and quantitative reasoning, explain that in a multidigit number, including decimals, a digit in any place represents ten times what it represents in the place to its right and ^{1}/_{10} of what it represents in the place to its left.
a. Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, using wholenumber exponents to denote powers of 10.
b. Explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10, using wholenumber exponents to denote powers of 10. Unpacked Content
Alabama Alternate Achievement Standards
 Mathematics MA2019 (2019) Grade: 5  17. Convert among differentsized standard measurement units within a given measurement system and use these conversions in solving multistep, realworld problems. Unpacked Content
Alabama Alternate Achievement Standards


