Hawaiʻi (2027–28) grade 1 math worksheets
Every Hawaiʻi 2027–28 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.1
Solve adding and subtracting story problems within 20.
- 1.OA.2
Solve story problems that add three numbers, with a sum within 20.
- 1.OA.3
Use turn-around facts and grouping to make adding easier.
- 1.OA.4
Think of subtraction as finding a missing addend.
- 1.OA.5
Connect counting on and counting back to adding and subtracting.
- 1.OA.6
Add and subtract within 20 using strategies like making ten and doubles.
- 1.OA.7
Understand the equal sign and decide whether equations are true or false.
- 1.OA.8
Find the missing number in an addition or subtraction equation.
Place value
- 1.NBT.1
Count to 120 from any number, and read and write the numerals.
- 1.NBT.2
Understand two-digit numbers as tens and ones.
- 1.NBT.3
Compare two-digit numbers using >, = and <.
- 1.NBT.4
Add within 100 using models and place value.
- 1.NBT.5
Find 10 more or 10 less than a two-digit number in your head.
- 1.NBT.6
Subtract multiples of 10 within 90.
Measurement & data
- 1.MD.1
Put three objects in order by length, and compare two lengths using a third.
- 1.MD.2
Measure length by lining up same-size units end to end.
- 1.MD.3
Tell and write time to the hour and half hour.
- 1.MD.4
Know the value in cents of a penny, nickel, dime and quarter, and compare single coins.
- 1.MD.5
Sort, show and read data with up to three categories.
Geometry
- 1.G.1
Tell which features make a shape what it is, then build and draw shapes.
- 1.G.2
Put shapes together to make new shapes.
- 1.G.3
Split circles and rectangles into halves and fourths.
Summaries are ours, in plain words. The same sheets by Common Core: Grade 1. Hawaiʻi's standards are published by the Hawaiʻi State Department of Education; Mathness! isn't affiliated with or endorsed by it.