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Common Core · Grade 2 · Maths · Number & Operations in Base Ten

11 curriculum codes

Maths

Number & Operations in Base Ten

CCSS.MATH.CONTENT.2.NBT.A.1 — opens in a new tab

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. Understand the following as special cases:

7 resources

CCSS.MATH.CONTENT.2.NBT.A.1.a — opens in a new tab

100 can be thought of as a bundle of ten tens — called a “hundred.”

7 resources

CCSS.MATH.CONTENT.2.NBT.A.1.b — opens in a new tab

The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

7 resources

CCSS.MATH.CONTENT.2.NBT.A.2 — opens in a new tab

Count within 1000; skip-count by 5s, 10s, and 100s.

10 resources

CCSS.MATH.CONTENT.2.NBT.A.3 — opens in a new tab

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

7 resources

CCSS.MATH.CONTENT.2.NBT.A.4 — opens in a new tab

Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

6 resources