➕ 2nd Grade Math · Unit 2

Place Value to 1,000

18 short narrated lessons in 4 chapters, each with pictures, a quiz with a hint and a second try, and an explanation for every answer.

Standards: 2.NBT.A.1 2.NBT.A.3 2.NBT.A.2 2.NBT.A.4

2nd Grade Math · 9 units
  1. 1Addition and Subtraction Fluency
  2. 2Place Value to 1,000
  3. 3Adding and Subtracting Within 100
  4. 4Adding and Subtracting Within 1,000
  5. 5Measuring Length
  6. 6Time and Money
  7. 7Data and Graphs
  8. 8Getting Ready to Multiply
  9. 9Shapes and Fractions
Picture from the lesson “A Hundred Is Ten Tens”
A Hundred Is Ten Tens
Picture from the lesson “Counting Hundreds”
Counting Hundreds
Picture from the lesson “Three-Digit Numbers”
Three-Digit Numbers

What your child will learn

Hundreds, tens and ones

  1. A Hundred Is Ten TensExplain that 100 is a bundle of ten tens.
  2. Counting HundredsShow 100, 200, 300 up to 900 as groups of hundreds.
  3. Three-Digit NumbersTell how many hundreds, tens and ones are in a three-digit number.
  4. Zero Holds the PlaceExplain what a zero means in numbers like 305.
  5. Hundreds, Tens and Ones Review ReviewReview hundreds, tens and ones in three-digit numbers.

Reading and writing numbers

  1. Number NamesRead and write number names for numbers up to 1,000.
  2. Expanded FormWrite a number as hundreds plus tens plus ones, like 400 plus 20 plus 7.
  3. Three Ways to Show a NumberShow a number with base-ten blocks, words and expanded form.
  4. Reading and Writing Numbers Review ReviewReview reading and writing numbers in different forms.

Skip counting

  1. Counting by 5sSkip count by 5s within 1,000.
  2. Counting by 10sSkip count by 10s starting from any number.
  3. Counting by 100sSkip count by 100s within 1,000.
  4. Counting within 1,000Count forward by ones from any number within 1,000.
  5. Skip Counting Review ReviewReview skip counting by 5s, 10s and 100s.

Comparing numbers

  1. Comparing Three-Digit NumbersCompare three-digit numbers by looking at hundreds, then tens, then ones.
  2. Greater Than, Less Than, Equal ToUse the symbols for greater than, less than and equal to compare numbers.
  3. Putting Numbers in OrderPut three-digit numbers in order from least to greatest.
  4. Comparing Numbers Review ReviewReview comparing and ordering three-digit numbers.

Try a question from this unit

From the lesson “A Hundred Is Ten Tens”

One big yellow square grid, a hundred.

Which picture has enough tens to make a hundred?

  • [object Object]
  • [object Object]
  • [object Object]
Show the answer

[object Object]. Ten tens count up to 100, so they make a hundred.

Hint kids see after a wrong try: “Count the rods by tens and see where you land.”

Key words

  • hundred
  • hundreds
  • place value
  • digit
  • placeholder
  • number name
  • expanded form
  • standard form
  • skip count
  • tens
  • count
  • compare
  • greater than
  • less than
  • order
← Addition and Subtraction Fluency All 2nd Grade Math units Adding and Subtracting Within 100 →

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Narrated lessons, pictures and quizzes for every grade from K to 8. Works offline.

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