Grade 1 Math (Virginia SOL)

Number and Number Sense (NS)

• 1.NS.1 Use flexible counting strategies to determine and describe quantities up to 120.
• Count forward by ones from 0 to 120, starting at any number.
• Count backward by ones from any number from 1 to 30.
• Represent counting by fives and tens up to 120 with tools.
• Represent counting by twos to at least 30 with tools.
• Group up to 120 objects into tens and ones to find the total.
• Identify pennies, nickels, and dimes, and their equivalent values.
• Count like coins up to 100 cents by ones, fives, or tens.
• 1.NS.2 Represent, compare, and order quantities up to 120.
• Read and write numerals 0-120 in and out of sequence.
• Estimate the number of objects up to 120 and justify reasonableness.
• Represent a number with tens and ones, and write its numeral.
• Describe the groups of tens and ones in a two-digit number.
• Compare two numbers from 0 to 120 using greater than, less than, or equal to.
• Order three sets of up to 120 objects least to greatest and greatest to least.
• 1.NS.3 Use reasoning to solve contextual problems partitioning models into two and four equal parts.
• Represent equal shares of a whole for two or four sharers.
• Represent and name halves and fourths using area and set models.
• Describe and justify equal shares as halves or fourths.

Computation and Estimation (CE)

• 1.CE.1 Recall addition and subtraction facts within 10 and solve problems within 20.
• Describe part-part-whole relationships for numbers up to 10 fluently.
• Apply reasoning strategies for addition and subtraction within 10.
• Recall addition and subtraction facts within 10 automatically.
• Describe part-part-whole relationships for numbers up to 20.
• Solve addition and subtraction within 20 using varied strategies.
• Solve single-step join, separate, and part-part-whole problems within 20.
• Find the unknown addend making a sum or difference of 10 or 20.
• Identify and use the plus and minus symbols.
• Describe the equal sign as a balance of equivalent expressions.
• Show with concrete materials when two expressions are not equal.
• Use concrete materials to model equations of equal-valued expressions.
• Write an equation representing an oral, written, or picture problem.

Measurement and Geometry (MG)

• 1.MG.1 Use nonstandard units to measure and compare objects by length, weight, and volume.
• Measure and compare lengths, weights, and volumes with nonstandard units.
• Measure one object with two units and explain why results differ.
• 1.MG.2 Describe, sort, draw, and name plane figures, and compose larger figures from simpler ones.
• Describe triangles, squares, and rectangles using sides, vertices, and angles.
• Sort plane figures by characteristics like sides, vertices, and curves.
• Draw and name a plane figure from its sides, vertices, and angles.
• Identify these figures in different orientations and environments, explaining reasoning.
• Recognize and name angles in rectangles and squares as right angles.
• Compose larger figures by combining two or three simple figures.
• 1.MG.3 Demonstrate understanding of time to the nearest hour and half-hour, and of the calendar.
• Identify clocks and calendars as tools for measuring time.
• Describe minutes and hours as units shown on a clock.
• Tell time to the hour and half-hour on analog and digital clocks.
• Describe the hour hand's location at the hour and half-hour.
• Describe the minute hand's location at the hour and half-hour.
• Match digital and analog clock times to the hour and half-hour.
• Identify specific days and dates on a calendar.
• Use ordinal numbers first through tenth to describe days and dates.
• Find the day or date before, after, or a set number of days or weeks away.

Probability and Statistics (PS)

• 1.PS.1 Apply the data cycle using object graphs, picture graphs, and tables.
• Sort objects into categories based on one or two attributes.
• Describe and label attributes of a sorted set of objects.
• Pose questions needing data, limited to 25 points and four categories.
• Determine needed data and collect it using counting, drawing, or tallying.
• Organize data by sorting with tallies or T-charts.
• Represent a data set using object graphs, picture graphs, and tables.
• Analyze graphs and tables and communicate results.

Patterns, Functions, and Algebra (PFA)

• 1.PFA.1 Identify, describe, extend, create, and transfer repeating and increasing patterns.
• Identify and describe repeating and increasing patterns.
• Analyze how a pattern changes and extend it with various materials.
• Create a repeating or increasing pattern with various materials.
• Transfer a pattern from one form to another.