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**Understand Place Value**.

Counting, Numeration, Addition, Subtraction Teaching Resources

NBT and OA activities - teaching resources

Math Vocabulary game

**MCC2.NBT.1** Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

Make numbers using base ten models

Place value games

a. 100 can be thought of as a bundle of ten tens — called a “hundred.”

NBT 1 a Activities

b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

**MCC2.NBT.2** Count within 1000; skip-count by 5s, 10s, and 100s.

NBT 2 Activities

Hundreds chart to use in showing patterns

Hundreds chart puzzlers

More hundreds chart number puzzlers

Practice Number Work with the Hundreds chart

Ordering Number games(scroll down past ads)

Skip counting games

**MCC2.NBT.3** Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.

NBT 3 Activities

Place value games - scroll toward bottom

Click on number represented by base ten models

Match base ten model, expanded form and number- 2 digit

Match 3 digit number to expanded form

Match 3 digit numbers with their word form

Match a 4 digit number with its word form

Identify numbers using base ten models (involves regrouping models)

Identify numbers to 1000 using base ten models

Identify numbers up to ten, hundred, thousands using base ten models

NUMBER WORD CONCENTRATION

REPRESENTING NUMBERS IN 4 WAYS

NUMBER WRITING BARRIER GAME

**MCC2.NBT.4** Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

NBT 4 Activities

Comparing number games (scroll down past ads)

Game: Compare numbers

** Use Place Value Understanding and Properties Of Operations to Add and Subtract.**

**MCC2.NBT.5** Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

NBT 5 Activities

Mentally add one digit to two digits

Add like Mad - add 2 and 3 digits to solve puzzle

Addition Fluency practice

Sum Sense - Arrange cards to make number sentence true

Adding numbers (4 levels )

Variety of addition fluency games

Mental subtraction (several levels) - basketball

Variety of subtraction games

**MCC2.NBT.6** Add up to four two-digit numbers using strategies based on place value and properties of operations.

NBT 6 Activities

**MCC2.NBT.7** Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

NBT 7 Activities

**MCC2.NBT.8** Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

NBT 8 Activities

Hundreds chart to use in showing patterns

Drag and match addition

Drag and match subtraction

Add 1, 10, or 100 to a given number

**MCC2.NBT.9** Explain why addition and subtraction strategies work, using place value and the properties of operations.

NBT 9 Activities

Interactive white board games - Numbers/Numeration