Unit 3: Addition & Subtraction
Mini-Unit 3: Adding & Subtracting Decimals to 1 Million
Lesson 3.3: Subtracting Decimals
This teacher-led small-group activity includes a printable math mat (with place-value supports and modeling space) and 12 editable task cards for hands-on practice.
Students will:
• practice subtracting decimals with hundredths, tenths, and ones
• focus on the value of digits in the minuend and subtrahend
• apply decomposing and regrouping strategies when needed
• use addition to check their work for accuracy
• explain their regrouping decisions and justify their strategies
Standards:
CCSS: 5.NBT.7 (partial)
TEKS: 4.2E, 4.4A
