Investigations 3 in Number, Data, and Space, Student Activity Book [Grade 4]

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Unit 5 Large Numbers and Landmarks > Investigation 2 > Subtraction Starter Problems

NAME ______________________________ DATE _______________

ACTIVITY

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For each problem below, four different ways to start are shown. Choose two of the starts and use each one to solve the rest of the problem.

1	397 − 139 =
	397 − 100 =	139 + 61 =	397 − 140 =	3 9 8 7 17 − 139 _ table with 2 rows and 1 column , row1 column 1 , 3 , modified cross out enclosing , 9 , end crossout with 8 above . modified cross out enclosing , 7 , end crossout with 17 above , row2 column 1 , modified negative 139 with under bar below , end table
	First way:		Second way:
2	847 − 652 _ table with 2 rows and 1 column , row1 column 1 , 847 , row2 column 1 , modified negative 652 with under bar below , end table
	847 − 600 =	652 + 48 =	847 − 700 =	847 − 652 _ 5 table with 3 rows and 1 column , row1 column 1 , 847 , row2 column 1 , modified negative 652 with under bar below , row3 column 1 , 5 , end table
	First way:		Second way:

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Contents

Investigation 1

Investigation 2

Investigation 1

Investigation 2

Unit 3 Multiple Towers and Cluster Problems

Investigation 1

Investigation 2

Investigation 3

Unit 4 Measuring and Classifying Shapes

Investigation 1

Investigation 2

Investigation 3

Investigation 4

Unit 5 Large Numbers and Landmarks

Investigation 1

Investigation 2

Investigation 3

Unit 6 Fraction Cards and Decimal Grids

Investigation 1

Investigation 2

Investigation 3

Investigation 4

Unit 7 How Many Packages and Groups?

Investigation 1

Investigation 2

Investigation 3

Unit 8 Penny Jars and Towers

Investigation 1