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EngageNY6 min(s)

- Related Activities
- Aligned Standards
- Teaching Strategies
- Differentiation Strategies

- 2.NBT.A.1

Major StandardsSupporting StandardsAdditional Standards

Standard 2.NBT.A.1### Prerequisites for 2.NBT.A.1

### 1st Grade

### Upcoming Standards for 2.NBT.A.1

### 2nd Grade

### 3rd Grade

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:

Part of Major Cluster 2.NBT.A

2.NBT.A.1.A

100 can be thought of as a bundle of ten tens - called a "hundred."

2.NBT.A.1.BThe 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).

1.NBT.B.2

Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

1.NBT.B.2.A

10 can be thought of as a bundle of ten ones - called a "ten."

1.NBT.B.2.BThe numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

1.NBT.B.2.CThe 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).

The Understood offers evidence-based strategies that benefit all students, especially those with learning differences and attention issues.

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