Public learning track
Adding and Subtracting Decimals to Hundredths
4th Grade · Math · Open Global Math
10 lessons
Goal
Add and subtract decimals to hundredths using concrete models, mental math strategies, and the standard algorithm.
Featured Diagrams
Adding Decimals with Base-Ten Blocks and Grids
10 lessons
0 of 10 done
- 1Adding Decimals with Base-Ten Blocks and GridsUp nextStart
- 2Subtracting Decimals with Base-Ten Blocks and GridsPremiumNot started yet
- 3Mental Strategies for Adding and Subtracting DecimalsNot started yet
- 4Adding Decimals to Hundredths Without RegroupingNot started yet
- 5Adding Decimals to Hundredths with RegroupingNot started yet
- 6Subtracting Decimals to Hundredths Without RegroupingNot started yet
- 7Subtracting Decimals to Hundredths with RegroupingNot started yet
- 8Subtracting Decimals from Whole Numbers and Annexing ZerosNot started yet
- 9Estimating Sums and Differences of DecimalsNot started yet
- 10Solving Real-World Word Problems with Decimal Addition and SubtractionNot started yet
Curriculum Framework
4th Grade · Math · Open Global Math
1
10 lessons
Decimal Place Value and Fraction Equivalences
Understand tenths, hundredths, and thousandths place value and convert fluently between fractions and decimals.
2
10 lessons
Plotting, Comparing, Ordering, and Rounding Decimals
Locate decimals on number lines, compare and order decimals using inequality symbols, and round decimals to whole numbers or tenths.
3
10 lessons
Adding and Subtracting Decimals to Hundredths
Add and subtract decimals to hundredths using concrete models, mental math strategies, and the standard algorithm.
4
10 lessons
Multiplying and Dividing Decimals by Powers of 10 and Single-Digit Integers
Multiply and divide decimals by 10, 100, and 1,000 using place value shifts, and multiply and divide decimals by single-digit integers.
5
6 lessons
Decimal Quotients and Introduction to Percentages
Divide whole numbers to find decimal quotients and understand percentages as parts per hundred.