2nd Grade Number Activities
The tables below provide examples of 2nd Grade Number Activities aligned with the Common Core State Standards. These activities are designed to elicit a range of responses and provide opportunities for students to communicate their reasoning and mathematical thinking. All 2nd grade number activities are suitable for use in Math Centers, small group or whole class settings. Instructions for each task are typed in large print and written in child-friendly language to enable students to work on activities independently after a brief introduction to the task. All files for the 2nd grade number activities listed are in PDF format and can be accessed using Adobe Reader.
2nd GRADE NUMBER ACTIVITIES
2nd GRADE NUMBER ACTIVITIES
| NUMBERS AND OPERATIONS IN BASE TEN | Understand place value
2.NBT1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones. Understand the following as special cases:
a. 100 can be thought of as a bundle of ten tens – called a “hundred.”
b. The numbers 100, 200,300,400,500,600,700,800,900 refer to one, two, three, four, five, six, seven, eight, nine hundreds (and 0 tens and 0 ones).
Possible Activities:
Representing 1, 2, and 3 Digit Numbers with Base 10 Blocks
Order Up
Base Ten Concentration (3 Digit)
2.NBT2 Count within 1000; skip count by 2s, 5s, 10s, and 100s.
Possible Activities:
Skip Counting Cards
Skip Counting by 2 Cards
Skip Counting by 5 Cards
Skip Counting by 10 Cards
Count by Fives
Count by Fives Gameboard
Count by Tens
Count by Tens Gameboard
Counting Collections
2.NBT3 Read and write numbers to 1000 using base-ten notation, number names, and expanded form.
Possible Activities:
Number Word Concentration
Representing Numbers in Four Ways
Number Writing Barrier Game
Roll 3 Digits
2.NBT4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols.
Possible Activities:
Comparing 3 Digit Numbers
Place Value Challenge (3 Digits)
Use place value understanding and properties of operations to add and subtract
2.NBT5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Possible Activities:
2 Digit Addition Split
2 Digit Subtraction Split
Four in a Row with Near Doubles (Version 2)
Four in a Row with Near Doubles (Version 3)
Close to 100
Keep on Doubling
Number Wheel Spin
2.NBT6 Add up to four two-digit numbers using strategies based on place value and properties of operations.
Make 100
2.NBT7 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.
Possible Activities:
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
2.NBT8 Mentally add 10 or 100 to a given number 100-900 and mentally subtract 10 or 100 from a given number 100-900.
Possible Activities:
+10 Skip Counting Paths
Add and Subtract 100 on the Number Line
2.NBT9 Explain why addition and subtraction strategies work, using place value and the properties of operations.
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