2.NBT.A.1.a: 100 can be thought of as a bundle of ten tens — called a "hundred."

Also written as 2.NBT.1.a or 2.NBT.1a

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

Khan Academy Resources
Identify the value of a digit (ones, tens, hundreds)Place value blocks within 1,000Regroup whole numbersHundreds, tens, and onesPlace value tables within 1,000Regrouping whole numbers: 675Use place value blocks to show numbers within 1,000Place value tables within 1,000Intro to place valueIdentifying value in digitsIntro to place value
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