NAME ______________________________ DATE _______________

DAILY PRACTICE

Subtracting Towers of 10

Record the total number of cubes shown. Then solve the problem.

  • 1 A group of ten-cube towers: ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower.

    _______________ − 40 = _______________

  • 2 A group of ten-cube towers: ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower.

    _______________ − 20 = _______________

  • 3 A group of ten-cube towers: ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower.

    _______________ − 30 = _______________

  • 4 A group of ten-cube towers: ten-cube tower, ten-cube tower, ten-cube tower, ten-cube tower.

    _______________ − 20 = _______________

NOTE

Students subtract multiples of 10 from multiples of 10.

MWI Subtracting a Multiple of 10 from a Multiple of 10


End ofPage 303

Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Building Numbers and Solving Story Problems Unit 2 Comparing and Combining Shapes Unit 3 How Many of Each? How Many in All? Unit 4 Fish Lengths and Fraction Rugs Unit 5 Number Games and Crayon Problems Unit 6 Would You Rather Be an Eagle or a Whale? Unit 7 How Many Tens? How Many Ones? Unit 8 Blocks and Buildings