Virginia SOL 3.NS.1

3.NS.1 is a Standards of Learning standard. These are the knowledge and skills expectations under it.

• 3.NS.1.a

  Read and write six-digit whole numbers in standard form, expanded form, and word form.

• 3.NS.1.b

  Apply patterns within the base 10 system to determine and communicate, orally and in written form, the place and value of each digit in a six-digit whole number...

• 3.NS.1.c

  Compose, decompose, and represent numbers up to 9,999 in multiple ways, according to place value (e.g., 256 can be 1 hundred, 14 tens, 16 ones, but also 25 tens...

01

What Students Need to Do

Students read and write whole numbers through six digits in standard, expanded, and word forms. They identify each digit’s place and value, then build and break apart numbers through 9,999 in several equivalent ways.

02

What Mastery Looks Like

Students accurately move among standard, expanded, and word forms for numbers through 999,999. They explain each digit’s place and value, and represent numbers through 9,999 with different groupings that keep the same total.

03

Common Misconceptions

Students may name a digit’s place but give the digit, rather than its value, such as saying 5 instead of 5,000. They may omit zero placeholders or think regrouping changes the total.

04

How to Assess It

Give students 305,742 and ask them to write it in word form and expanded form, then name the place and value of 5. Ask them to show 2,346 in two different place-value decompositions.

1. 01

   Give pairs place-value disks and mats to build 3,482, then regroup it three different ways while keeping the same total.

2. 02

   Ask students to explain in writing how the two 6s have different values in 461,625.

3. 03

   Play a number-form matching game using cards with standard, expanded, and word forms, plus cards naming a selected digit’s value.

4. 04

   Use a six-digit stadium attendance figure and have students read it aloud, write its expanded form, and identify each digit’s value.

• 3.NS.2

  The student will demonstrate an understanding of the base 10 system to compare and order whole numbers up to 9,999.

• 4.NS.2

  The student will demonstrate an understanding of the base 10 system to compare and order whole numbers up to seven digits. 

• 4.NS.1

  The student will use place value understanding to read, write, and identify the place and value of each digit in a nine-digit whole number.

• 2.NS.2

  The student will demonstrate an understanding of the ten-to-one relationships of the base 10 number system to represent, compare, and order whole numbers up to ...