Grades 1 · 2 · 3
Place Value
Ones, tens, hundreds, beyond.
Lessons
Ones and tens
base ten · 1-2
Work shown: base ten
Make a ten
bundling · 1-2
Work shown: bundling
Teen numbers
10 and ones · 1
Work shown: 10 and ones
Tens and ones
2-digit numbers · 1-2
Work shown: 2-digit numbers
Expanded form to 99
expanded form · 1-2
Work shown: expanded form
Compare 2-digit numbers
greater/less · 1-2
Work shown: greater/less
Order 2-digit numbers
sequence · 1-2
Work shown: sequence
10 more, 10 less
tens · 1-2
Work shown: tens
Hundreds
3-digit numbers · 2-3
Work shown: 3-digit numbers
Up to 1,000
hundreds/tens/ones · 2-3
Work shown: hundreds/tens/ones
Expanded form to 999
expanded form · 2-3
Work shown: expanded form
Compare 3-digit numbers
greater/less · 2-3
Work shown: greater/less
Round to nearest 10
rounding · 3
Work shown: rounding
Round to nearest 100
rounding · 3
Work shown: rounding
Regroup for addition
carrying prep · 2-3
Work shown: carrying prep
Regroup for subtraction
borrowing prep · 2-3
Work shown: borrowing prep
Thousands
4-digit numbers · 3-4
Work shown: 4-digit numbers
Place value stories
number clues · 2-4
Work shown: number clues
Place value review
mixed place value · 2-4
Work shown: mixed place value
Place value rack
digit practice · 2-4
Work shown: digit practice