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1st Grade Math

Virginia 1st Grade Math Curriculum

Video lessons and practice for every 1st grade math topic. Aligned to Virginia Mathematics Standards of Learning for Grade 1.

Virginia 1st Grade Math Curriculum | StudyPugHelp

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1.OA.A.2

Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20

1.OA.B.3

Apply properties of operations as strategies to add and subtract

1.OA.B.4

Understand subtraction as an unknown-addend problem

1.OA.C.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10

1.OA.D.7

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false

1.NBT.B.2

Understand that the two digits of a two-digit number represent amounts of tens and ones

1.NBT.B.3

Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <

1.NBT.C.5

Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count

1.G.A.3

Partition circles and rectangles into two and four equal shares

Virginia 1st Grade Math: Topics and Skills

Virginia's Mathematics Standards of Learning for 1st grade cover a wide range of foundational math skills. Students work on addition and subtraction within 20, learn about two-digit numbers and place value, explore basic measurement and telling time, and begin recognizing and building shapes. StudyPug has a video lesson and practice problems for every one of these topics.

Addition and Subtraction in 1st Grade

First grade math puts a strong focus on addition and subtraction. Virginia 1st graders learn to solve word problems using addition and subtraction within 20, add three whole numbers together, and understand how addition and subtraction relate to each other. They also work toward fluency — meaning fast and accurate recall — for facts within 10.

  • Adding and subtracting within 20
  • Solving word problems with three addends
  • Understanding the equal sign and true/false equations
  • Finding unknown numbers in addition and subtraction equations

Place Value and Two-Digit Numbers

Virginia 1st graders learn that two-digit numbers are made of tens and ones. They count to 120, compare two-digit numbers using >, =, and < symbols, and practice adding within 100. They also learn to mentally find 10 more or 10 less than any two-digit number.

Measurement, Time, and Data

Students order objects by length, measure using whole number units, and tell time to the hour and half-hour on both analog and digital clocks. They also organize and interpret data sorted into up to three categories.

Geometry in 1st Grade

First grade geometry introduces defining versus non-defining attributes of shapes, composing 2D and 3D shapes into new shapes, and partitioning circles and rectangles into two and four equal shares.