2.

# Multiples of 10 - 1st Grade Math

**Multiples of 10 Worksheet** focuses on helping the students understand that the numbers 10, 20, 30 etc refer to one, two, three tens. A group of 10 ones can be thought of as 1 ten; 2 such groups make 2 tens and so forth.

### Common Core Alignment

**1.NBT.2.c**The 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).

**1.NBT.2**Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: