**NUMBER SENSE PRACTICE SITE**

**NUMBER READ ALOUDS**

**Understand Place Value**.

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

Understanding the Base Ten Models

Regroup tens and ones using base ten models

Understanding '0' in the place value system

Identifying the Hundreds, Tens, and Ones digit

Combine ones, tens, and hundreds to create a 3 digit number

REPRESENTING 1,2,3 DIGIT NUMBERS WITH BASE TEN MODELS

ORDER UP

BASE TEN CONCENTRATION - 3 DIGIT

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

Build numbers by using their place value

Create 2 digit numbers using base ten models

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.

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

Skip count by 1, 5, 10

Skip count by 2, 5, 10

SKIP COUNTING CARDS

COUNT BY FIVES

COUNT BY FIVES GAMEBOARD

COUNT BY TENS

COUNT BY TENS GAMEBOARD

COUNTING COLLECTIONS

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

Compose/Decompose 2 digit numbers

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

ROLL 3 DIGITS

**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.

Compare numbers with and without a number line

Comparing number games (scroll down past ads)

COMPARING 3 DIGIT NUMBERS

PLACE VALUE CHALLENGE - 3 DIGITS

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.

Zero property of addition

Understand the Commutative Property of Addition

Introduction of informal counting strategies (doubles, doubles plus one, etc.)

Determine sums and differences by a variety of means (doubles, doubles plus one, number line , etc.)

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

TWO DIGIT ADDITION SPLIT

TWO DIGIT SUBTRACTION SPLIT

FOUR IN A ROW WITH NEAR DOUBLES

FOUR IN A ROW WITH NEAR DOUBLES - VERSION 3

CLOSE TO 100

KEEP ON DOUBLING

NUMBER WHEEL SPIN

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

MAKE 100

**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.

2 DIGIT ADDITION TRAINS

2 DIGIT ADDITION TRAINS - WITHOUT EXCHANGING

BASE TEN PICTURES

BASE TEN BAG - ADDITION

BASE TEN BAG - SUBTRACTION

BASE TEN BUILDINGS

3 DIGIT ADDITION SPLIT

3 DIGIT SUBTRACTION SPLIT

FRIENDLY NUMBERS - SUBTRACTION

**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.

Hundreds chart to use in showing patterns

Drag and match addition

Drag and match subtraction

Add 1, 10, or 100 to a given number

PLUS TEN SKIP COUNTING PATHS

ADD / SUBTRACT 100 ON THE NUMBER LINE

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

Interactive white board games - Numbers/Numeration