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# 1st Grade Math Centers- Numbers and Operations in Base Ten NBT

Product Description
1st Grade NBT Centers- Numbers and Operations in Base Ten

This Numbers and Operations in Base Ten (place value strategies) pack is a black and white centers resource to use when teaching place value strategies! This is not a curriculum, but a resource to help supplement your lessons! With centers for topics such as counting to 120, tens and ones, adding and subtracting tens, comparing numbers, mental math, and more!

These are in black and white to save your ink! I print on colored paper to make them colorful for the kiddos.

This item aligns to the Common Core standards for the Numbers and Operations in Base Ten domain, but you don't have to be a Common Core classroom to use this pack!

Topics Covered:
-Writing Numbers to 120
-Counting to 120
-Ten More and Ten Less
-Comparing Numbers
-Tens and Ones
-Adding 2-Digit Numbers to 1-Digit Numbers

This item is included in a money-saving centers bundle.
You can save even more money when buying this item in a first grade common core bundle, which includes the centers bundle, plus short answer, printables, and interactive notebook templates.

Not interested in buying bundles? But you still want 1st grade NBT products?

This purchase is for one single classroom only.
If you're interested in sharing with other classrooms, make sure to buy the extra licenses for 50% off through the TeachersPayTeachers tool. If you are interested in a site license, please contact me for a quote at jessica.L.tobin@gmail.com.

CCSS.Math.Content.1.NBT.A.1 (1.NBT.1)
Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
CCSS.Math.Content.1.NBT.B.2 (1.NBT.2)
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
CCSS.Math.Content.1.NBT.B.2.a
10 can be thought of as a bundle of ten ones — called a "ten."
CCSS.Math.Content.1.NBT.B.2.b
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
CCSS.Math.Content.1.NBT.B.2.c
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
CCSS.Math.Content.1.NBT.B.3 (1.NBT.3)
Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
CCSS.Math.Content.1.NBT.C.4 (1.NBT.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.
CCSS.Math.Content.1.NBT.C.5 (1.NBT.5)
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
CCSS.Math.Content.1.NBT.C.6 (1.NBT.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.
Total Pages
110 pages
N/A
Teaching Duration
N/A
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