Strategies for Subtraction Facts

• Send home the Triangle Flash Cards: Note Home Homework Master the Triangle Flash Cards: Group A Master.
• Assign DPP items A–D. Item B builds number sense by asking students to estimate halves of large numbers. In item D students build number sense through representing numbers using base-ten pieces.
• Assign Home Practice Parts 1–2. In Part 2 students practice strategies for solving multidigit addition problems.

Math Facts. DPP item A provides practice with the subtraction facts in Group A in the context of word problems about money. In DPP item C students use strategies that apply the properties of addition for a fact family. Home Practice Part 1 provides practice with addition and the related subtraction facts for the facts in
Group A.