NY Next Generation Math NY-1.NBT.1

Math1st GradeExtend the counting sequence.

The Standard

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.

New York State Next Generation Mathematics Learning Standards

Teacher's field guide

What This Standard Means

What Students Need to Do

Students continue the counting sequence from different starting numbers and carry it through 120. They read numerals, write numerals they hear, and match a counted collection to its numeral.

What Mastery Looks Like

A student starts at 68 and counts accurately through 120, including each decade change. The student can write 107 when it is spoken and label a collection of 54 objects with the correct numeral.

Common Misconceptions

Students may restart at 1 instead of continuing from the given number or skip numbers after 99. They may reverse two-digit numerals, write 107 as 1007, or lose one-to-one counting in a collection.

How to Assess It

Ask the student to count from 94 to 112, write the numeral 107, and count a small collection before choosing its matching numeral card.

Lesson moves

Ways to Teach It

  1. Build bundled collections of craft sticks, count on from a chosen numeral card, and attach the matching written numeral.

  2. Ask students to explain what changes in the written numerals when the count moves from 99 to 100.

  3. Play number-sequence repair by giving partners a strip with missing, repeated, or reversed numerals to correct.

  4. Count classroom supplies for an inventory list and write a numeral label for each collection.

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Printable NY-1.NBT.1 Worksheet

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A ready-to-print activity worksheet aligned to NY-1.NBT.1, with an answer key for the teacher on its own page. No account needed.

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