12 Tenths Plus 9 Tenths

Examples, solutions, videos and lessons to help Course 5 students learn how to add decimals using place value strategies and relate those strategies to a written method.

New York Land Mutual Core Math Grade 5, Module 1, Lesson nine

Lesson 9 Concept Development
Problems 1–3
2 tenths + 6 tenths
2 ones 3 thousandths + vi ones 1 thousandth
2 tenths v thousandths + vi hundredths

Problems iv–6
1.8 + 13 tenths
one hundred 8 hundredths + 2 ones iv hundredths
148 thousandths + 7 ones 13 thousandths

Problems 7–ix
0.74 + 0.59
7.048 + five.196
7.44 + 0.774

Lesson ix Homework

1. Solve.
   a. 3 tenths + 4 tenths = _____ tenths
   b. 12 tenths + 9 tenths = _____ tenths = _____ ane(southward) _____ tenth(southward)

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Lesson 9 Homework

1. Solve.
   d. 27 hundredths + 7 hundredths = __ hundredths = __ tenths __ hundredths
   
2. Solve using the standard algorithm.
   east. 72.564 + five.137 =

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3. Walkway Over the Hudson, a bridge that crosses the Hudson River in Poughkeepsie, is 2.063 kilometers. Anping Bridge, which was built in People's republic of china 850 years ago, is two.07 kilometers long.
   a. Which bridge is longer? How much longer? Show your thinking.

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12 Tenths Plus 9 Tenths,

Source: https://www.onlinemathlearning.com/decimals-place-value-strategies.html

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