
Public learning track
Shopping and Calculating Change
1st Grade · Math · Open Global Math
11 lessons
Goal
Solve real-world purchasing problems by finding total costs, paying with exact amounts, and calculating change given back.
Featured Diagrams
Skip-Counting Same-Value Coins to Pay an Exact Price
11 lessons
0 of 11 done
- 1Skip-Counting Same-Value Coins to Pay an Exact PriceUp nextStart
- 2Skip-Counting Same-Value Bills to Pay an Exact PricePremiumNot started yet
- 3Paying for Items with Exact Coin CombinationsNot started yet
- 4Comparing Costs of Two or More ItemsNot started yet
- 5Calculating the Total Cost of Two Store ItemsNot started yet
- 6Calculating Change by Counting Up Within Fifty CentsNot started yet
- 7Calculating Change from One Dollar Using Counting UpNot started yet
- 8Calculating Change Using SubtractionNot started yet
- 9Calculating Change from Whole Dollar BillsNot started yet
- 10Giving Change Using the Fewest CoinsNot started yet
- 11Checking Money Transactions Using Inverse AdditionNot started yet
Standards Covered
- OGM.2.FIN.1Open Global Math Standards 2026™ · Math · Level 2 / Grade 1 (Age 6) · Grade 1Recognize, name, and know the values of circulating coins and bills/notes; write monetary values with appropriate currency symbols, and count combinations of coins and bills using skip counting and additive strategies.
- OGM.2.FIN.2Open Global Math Standards 2026™ · Math · Level 2 / Grade 1 (Age 6) · Grade 1Solve practical mathematical problems involving simple money transactions (purchasing, calculating exact amounts, giving change, comparing costs); understand money earned as income, differentiate between spending and saving, distinguish between wants and needs, and explore sharing/charitable giving.
Curriculum Framework
1st Grade · Math · Open Global Math
1
10 lessons
Recognizing Coins, Bills, and Money Symbols
Identify circulating coins and bills, state their values, write amounts using dollar and cent notation, and skip count single denominations.
2
9 lessons
Counting Combinations of Coins and Bills
Count mixed collections of coins and bills using additive and skip-counting strategies, and create equivalent amounts using different combinations.
3
11 lessons
Shopping and Calculating Change
Solve real-world purchasing problems by finding total costs, paying with exact amounts, and calculating change given back.
4
7 lessons
Financial Choices: Earning, Saving, Spending, and Giving
Understand money earned as income, differentiate between wants and needs, evaluate spending versus saving choices, and explore charitable sharing.