Add Decimals using Place Value Strategies
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Lesson Plans and Worksheets for Grade 5
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 5
Common Core For Grade 5
Examples, solutions, videos and lessons to help Grade 5 students learn how to add decimals using place value strategies and relate those strategies to a written method.
New York State Common Core Math Grade 5, Module 1, Lesson 9
Lesson 9 Concept Development
Problems 1–3
2 tenths + 6 tenths
2 ones 3 thousandths + 6 ones 1 thousandth
2 tenths 5 thousandths + 6 hundredths
Problems 4–6
1.8 + 13 tenths
1 hundred 8 hundredths + 2 ones 4 hundredths
148 thousandths + 7 ones 13 thousandths
Problems 7–9
0.74 + 0.59
7.048 + 5.196
7.44 + 0.774
Lesson 9 Homework
1. Solve.
a. 3 tenths + 4 tenths = _____ tenths
b. 12 tenths + 9 tenths = _____ tenths = _____ one(s) _____ tenth(s)
Lesson 9 Homework
1. Solve.
d. 27 hundredths + 7 hundredths = __ hundredths = __ tenths __ hundredths
2. Solve using the standard algorithm.
e. 72.564 + 5.137 = 3. Walkway Over the Hudson, a bridge that crosses the Hudson River in Poughkeepsie, is 2.063 kilometers. Anping Bridge, which was built in China 850 years ago, is 2.07 kilometers long.
a. Which bridge is longer? How much longer? Show your thinking.
Lesson Plans and Worksheets for Grade 5
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 5
Common Core For Grade 5
Examples, solutions, videos and lessons to help Grade 5 students learn how to add decimals using place value strategies and relate those strategies to a written method.
New York State Common Core Math Grade 5, Module 1, Lesson 9
Lesson 9 Concept Development
Problems 1–3
2 tenths + 6 tenths
2 ones 3 thousandths + 6 ones 1 thousandth
2 tenths 5 thousandths + 6 hundredths
Problems 4–6
1.8 + 13 tenths
1 hundred 8 hundredths + 2 ones 4 hundredths
148 thousandths + 7 ones 13 thousandths
Problems 7–9
0.74 + 0.59
7.048 + 5.196
7.44 + 0.774
1. Solve.
a. 3 tenths + 4 tenths = _____ tenths
b. 12 tenths + 9 tenths = _____ tenths = _____ one(s) _____ tenth(s)
1. Solve.
d. 27 hundredths + 7 hundredths = __ hundredths = __ tenths __ hundredths
2. Solve using the standard algorithm.
e. 72.564 + 5.137 = 3. Walkway Over the Hudson, a bridge that crosses the Hudson River in Poughkeepsie, is 2.063 kilometers. Anping Bridge, which was built in China 850 years ago, is 2.07 kilometers long.
a. Which bridge is longer? How much longer? Show your thinking.
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