Will this help with my child's 1st grade math homework?

Yes. StudyPug covers every 1st grade Washington math topic - from adding and subtracting within 20 to place value and telling time - so your child can get unstuck on any homework question quickly.

How long are the video lessons?

Most video lessons run between 5 and 15 minutes, broken into short steps so your child can pause, rewatch, and practice one concept at a time without sitting through a long lecture.

Is there a state test for 1st grade math in Washington?

Washington students are assessed on the Smarter Balanced Assessment (SBAC), but the tested grades begin in 3rd grade. There is no state math assessment specifically for 1st grade in Washington.

Can my child use StudyPug on a tablet or phone?

Yes. StudyPug works on tablets, phones, and computers, so your child can practice 1st grade math at home, in the car, or anywhere else they have a connection.

Can I try StudyPug before paying?

Yes. StudyPug offers free sample lessons so you can see how it works before committing, and every paid plan comes with a 30-day money-back guarantee if it is not the right fit.

WA 1st Grade Math Curriculum

Give your 1st grader the support they need to keep up with Washington's math curriculum - from counting to 120 and place value to word problems and geometry.

WA 1st Grade Math Curriculum

IDStandardStudyPug Topic

1.OA.A.1Use addition and subtraction within 20 to solve word problems
- Addition word problems up to 20
- Using models to add up to 20
- Subtracting with digits up to 20
- Subtracting with objects up to 20
- Subtraction word problems up to 20
1.OA.A.2Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20
- Adding with 3 numbers up to 20
1.OA.B.3Apply properties of operations as strategies to add and subtract
- Subtraction facts up to 20
- Verifying subtraction statements
1.OA.B.4Understand subtraction as an unknown-addend problem
- Completing subtraction statements up to 20
- Understanding the subtraction sign
1.OA.C.6Add and subtract within 20, demonstrating fluency for addition and subtraction within 10
- Addition facts up to 20
1.OA.D.7Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false
- Verifying addition statements
1.OA.D.8Determine the unknown whole number in an addition or subtraction equation relating three whole numbers
- Addition with regrouping up to 20
- Complete the addition statement up to 5
- Completing the addition statement up to 10
- Complete the subtraction statement up to 5
- Complete the subtraction statement up to 10
1.NBT.A.1Count to 120, starting at any number less than 120
- Converting dot grids to numbers up to 100
- Missing values in a number grid up to 100
- Number sequences with 1,2,3,5,10
- Ordinal numbers
- Writing numbers as words
- Writing words as numbers
1.NBT.B.2Understand that the two digits of a two-digit number represent amounts of tens and ones
- Place values of digits up to 99
- Counting the value of a digit up to 99
- Numeral expanding up to 99
- Identifying tens and ones
1.NBT.B.3Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <
- Comparing values up to 99
1.NBT.C.4Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10
- Adding with digits up to 20
- Adding digits up to 100
- Adding with doubles up to 100
- Using counting to add digits up to 100
- Addition strategies
- Addition with regrouping up to 100
- Using models to add up to 100
- Addition tables up to 100
- Completing addition statements up to 100
- Addition word problems up to 100
1.NBT.C.5Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count
- Adding numbers with 5s and 10s
1.NBT.C.6Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90
- Subtracting with the number zero
- Subtracting by 10s
- Subtracting with place value models up to 100
- Subtraction facts up to 100
- Completing subtraction images & statements
- Using objects to subtract up to 100
1.G.A.3Partition circles and rectangles into two and four equal shares
- Sharing & partition up to 10
- Remainders from division up to 10

1st Grade Math

About 1st Grade Washington math

Washington follows the Washington State K-12 Learning Standards for math, organized around operations and algebraic thinking, number and operations in base ten, measurement and data, and geometry. In 1st grade, students build fluency with addition and subtraction within 20, develop place value understanding for two-digit numbers, measure lengths, tell time to the hour and half-hour, and compose shapes. StudyPug provides lessons and practice problems for every one of these strands.

Strands: operations and algebraic thinking, number and operations in base ten, measurement and data, and geometry
Lessons with step-by-step explanations for every 1st grade topic
Practice problems with instant feedback aligned to Washington State K-12 Learning Standards
Access on any device, any time, to fit your child's schedule

Curriculum topics by strand

Find lessons and practice questions for every strand in the Washington State K-12 Learning Standards for 1st grade math.

Topic includes:

Practice

Video

Quiz

Standard

StudyPug Topic

Washington 1st Grade Math Topics

Operations and Algebraic Thinking: Addition and subtraction within 20, solving word problems, adding three whole numbers, applying properties of operations, understanding the equal sign, and finding unknown values in equations.
Number and Operations in Base Ten: Counting to 120, understanding tens and ones in two-digit numbers, comparing two-digit numbers using >, =, and <, adding within 100, and mentally finding 10 more or 10 less.
Measurement and Data: Ordering objects by length, expressing length in whole units, telling and writing time in hours and half-hours, and organizing data into up to three categories.
Geometry: Identifying defining versus non-defining attributes of shapes, composing two- and three-dimensional shapes, and partitioning circles and rectangles into equal shares.

How StudyPug Helps Washington 1st Grade Math Students

When a 1st grader gets stuck on place value or a tricky addition word problem, StudyPug is there with a short video lesson that walks through the concept step by step. After watching, students can move straight into practice problems that match exactly what Washington State K-12 Learning Standards expect at this grade level. You can explore the full 1 class maths course to see every topic covered, or jump straight to a grade 1 math practice test to find out where your child needs the most support.

Parents who want to see how the 1st grade program connects to what came before can also browse the WA kindergarten math curriculum page for context on the skills students are building from.

Aligned to Washington 1st Grade Math Curriculum

Every lesson and practice problem on StudyPug for 1st grade math is built around the Washington State K-12 Learning Standards, so the topics your child sees on StudyPug are the same ones their teacher is covering in class - nothing extra, nothing missing.

Ready to put your Grade 1 Math skills to the test?

Jump into practice questions for every WA Grade 1 Math topic - with instant feedback and step-by-step video solutions when you get stuck.

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Written by the StudyPug Math Team

Last updated June 5, 2026

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