Lesson 6

Spinning Differences

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Use this DPP to develop subtraction strategies for Groups 1 and 2.

    1. 8
    2. 8
    1. 7
    2. 15
    1. 4
    2. 4
    1. 9
    2. 4
    1. 4
    2. 10
    1. 10
    2. 14
    1. 9
    2. 6
    1. 9
    2. 6

V. Fact Families for Group 1

Complete the number sentences for each family.

    1. 7 + = 15
    2. + 7 = 15
    3. 15 − = 8
    4. − 8 = 7
    1. 9 + = 13
    2. + 9 = 13
    3. 13 − = 4
    4. 13 − = 9
    1. 10 + = 14
    2. + 4 = 14
    3. 14 − = 4
    4. − 4 = 10
    1. 6 + = 15
    2. + 9 = 15
    3. 15 − = 6
    4. 15 − = 9