MathsheetsMake a worksheet →2.NBT.A.1
Read a three-digit number as hundreds, tens and ones — including when a place is zero.
Worksheets for this standard 1 topic
The standard, officially
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:
This standard has parts
a
100 can be thought of as a bundle of ten tens — called a “hundred.”2.NBT.A.1a
b
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).2.NBT.A.1b
Leads to
2.NBT.A.3Write numbers three ways 2.NBT.A.4Compare three-digit numbers 2.NBT.B.6Add four two-digit numbers 2.NBT.B.7Add and subtract within 1000 2.NBT.B.8Add and subtract 10 or 100 mentally 3.NBT.A.1Round to the nearest ten or hundred 3.NBT.A.3Multiply by multiples of ten 4.NBT.A.1Understand place value, ten-to-one