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# Come Explore Common Core! Vol. 2 Number and Operations in Base Ten

Common Core Standards
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26 MB|330 pages
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This 330 page Common Core aligned resource addresses each of the six standards in the Number and Operations in Base Ten domain for first grade. Eleven NBT products bundled into one volume consisting of over 300 pages, all for \$14.95. That’s a savings of over 77% over purchasing each product individually. If purchased separately, you’d spend \$46.00!

This Common Core aligned resource is packed with anchor charts, strategy posters, counting charts for 1-120, full-color/ready-to-use centers, hands-on activities, printable word problems, problem solving task cards, puzzles, work mats, ten frames, open number lines, spinners, games, game boards, teaching ideas, activities, worksheets, recording sheets, cut and paste pages, and answer keys.

1.NBT.1 Extend Counting Sequences - 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.
1.NBT.2 Understand Place Value - Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following special cases:
1.NBT.2a 10 can be thought of as a bundle of ten ones – called a “ten”
1.NBT.2b The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
1.NBT.2c 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)
1.NBT.3 Understand Place Value - Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols for "is greater than", "is less than", and "is equal to".
1.NBT.4 Use place value understanding and properties of operations to add and subtract - 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.5 Use place value understanding and properties of operations to add and subtract - 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.6 Use place value understanding and properties of operations to add and subtract - 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.

PLEASE NOTE: This "bundled" volume is also available separated into individual units or products sold separately for customers who only want certain parts.

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Total Pages
330 pages
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\$14.95
\$14.95