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

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

NAME ______________________________ DATE _______________

DAILY PRACTICE

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	805 − 694 =
	805 − 600 =	694 + 6 =	805 − 700 =	805 − 694 _ 1 table with 3 rows and 1 column , row1 column 1 , 805 , row2 column 1 , modified negative 694 with under bar below , row3 column 1 , 1 , end table
	First way:		Second way:
2	1,363 − 779 =
	1,363 − 700 =	1,363 − 363 =	779 + 21 =	13 6 5 3 13 − 779 _ table with 2 rows and 1 column , row1 column 1 , 13 , modified cross out enclosing , 6 , end crossout with 5 above . modified cross out enclosing , 3 , end crossout with 13 above , row2 column 1 , modified negative 779 with under bar below , end table
	First way:		Second way:

NOTE

Students solve subtraction problems using different starts.

MWI Subtraction Strategies

End ofPage 309

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