South Dakota grade 1 math worksheets
Every South Dakota grade 1 math standard by its own code, with the printable sheets that practise it: 22 of 22 have sheets. New problems every time, answer keys and a one-page guide for grown-ups. Free, no sign-up.
Operations & algebraic thinking
- 1.OA.A.1Solve adding and subtracting story problems within 20.Story problems within 20
- 1.OA.A.2Solve story problems that add three numbers, with a sum within 20.Adding three numbers
- 1.OA.B.3Use the commutative, associative and zero (identity) properties as strategies to add.Turn-around and grouping facts
- 1.OA.B.4Think of subtraction as finding a missing addend.Fact families
- 1.OA.C.5Connect counting on and counting back to adding and subtracting.Counting on and back
- 1.OA.C.6Add and subtract within 20 using strategies like making ten and doubles.Adding within 20 · Subtracting within 20
- 1.OA.D.7Understand the equal sign and decide whether equations are true or false.True or false equations
- 1.OA.D.8Find the missing number in an addition or subtraction equation.Missing numbers
Place value
- 1.NBT.A.1Count to 120 from any number, and read and write the numerals.Counting to 120
- 1.NBT.B.2Understand two-digit numbers as tens and ones.Tens and ones
- 1.NBT.B.3Compare two-digit numbers using >, = and <.Comparing two-digit numbers
- 1.NBT.C.4Add within 100 using models and place value.Adding within 100
- 1.NBT.C.5Find 10 more or 10 less than a two-digit number in your head.10 more and 10 less
- 1.NBT.C.6Subtract multiples of 10 within 90.Subtracting tens
Measurement & data
- 1.MD.A.1Put three objects in order by length, and compare two lengths using a third.Ordering by length
- 1.MD.A.2Measure length by lining up same-size units end to end.Measuring with units
- 1.MD.B.3Tell and write time to the hour and half hour.Time to the hour and half hour
- 1.MD.B.5Know nickels and dimes as 5 and 10 pennies; find the value of pennies, nickels and dimes together.Coins and bills
- 1.MD.C.4Sort, show and read data with up to three categories.Tally charts and picture graphs
Geometry
- 1.G.A.1Tell which features make a shape what it is, then build and draw shapes.Shape attributes
- 1.G.A.2Identify and compose regular and irregular flat shapes and compose solids, including spheres, into new shapes.Putting shapes together
- 1.G.A.3Split circles and rectangles into halves and fourths.Halves and fourths
Summaries are ours, in plain words. The same sheets by Common Core: Grade 1.
