Snowman Math- 6 Number Sense Centers
Subjects:
English Language Arts, Math, Common Core, Arithmetic, Common Core, Numbers
Resource:
Other, Printable
Grades:
1
2
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23.38 MB PDF file - 58 page(s)
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Looking for number sense center activities this winter? This set is 6 centers that build number sense with numbers to 100 or numbers to 1,000.

Skills practiced:
standard and expanded forms
comparing numbers
ordering numbers/greater than/less than
place value
applying rules/frames and arrows/function machines

Aligns with Common Core Standards:
1.NBT.B.2- Understand that the two digits of a two-digit number represent amounts of tens and ones.

1.NBT.B.3- Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

1.NBT.C.4- Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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 and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

1.NBT.C.5- Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

1.NBT.C.6- Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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 and explain the reasoning used.

2.NBT.A.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. 

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

2.NBT.A.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.

2.NBT.B.8- Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

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