Unit 2: Addition and Subtraction with Decimals
Concept 1: Read and write whole numbers and decimals. [CC.5.NBT.1, CC.5.NBT.3, CC.5.NBT.3a, CC.5.NBT.3b]
Concept 2: Add and subtract with whole numbers and decimals. [CC.5.NBT.7, CC.5.MD.1]
Concept 3: Round and estimate with whole numbers and decimals. [CC.5.NBT.3b, CC.5.NBT.4, CC.5.NBT.7]
Concept 2: Add and subtract with whole numbers and decimals. [CC.5.NBT.7, CC.5.MD.1]
Concept 3: Round and estimate with whole numbers and decimals. [CC.5.NBT.3b, CC.5.NBT.4, CC.5.NBT.7]
Reading and Writing Decimals
4 Ways to Represent a Decimal
1. Standard Form: 32.567
2. Word Form: Thirty two and five hundred sixty seven thousandths
3. Expanded Form: 30 + 2 + 0.5 + 0.06 + 0.007
4. Expanded Form (Powers of Ten): 3 x 10 + 2 x 1 + 5 x (1/10) + 6 x (1/100) + 7 x (1/1,000)
2. Word Form: Thirty two and five hundred sixty seven thousandths
3. Expanded Form: 30 + 2 + 0.5 + 0.06 + 0.007
4. Expanded Form (Powers of Ten): 3 x 10 + 2 x 1 + 5 x (1/10) + 6 x (1/100) + 7 x (1/1,000)