SME
Grade 2 Math
Number & Base Ten
Fluently add and subtract within 100
Main lesson
Addition and subtraction facts to 20
Use this for “Find the value of each expression: 8 + 7, 12 − 5.”
Solve addition and subtraction word problems
Use this for “Leo adds 16 books to a cart. Now there are 43. How many were there before?” and “How many did he add?”
Add up to four two-digit numbers
Use this for “Find the value of 15 + 15 + 20 + 5.”
Solve compare problems
Use this for “28 in the gym, 65 in the library. How many more are in the library?”
Compare, then add
Use this for “Ben has 8 more than Ana. How many in all?”
Two-step problems: add, then subtract
Use this for two-step problems: some come, then some go.
Two-step problems: subtract, then add
Use this for two-step problems: some go, then some come.
Two-step problems: subtract, then subtract
Use this for two-step problems where some go, twice.
Two-step problems: add, then add
Use this for two-step problems where some come, twice.
Understand place value to 1,000
Main lesson
Expanded form
Use this for “Which of these show 426?” like 400 + 20 + 6.
Regroup tens and hundreds
Use this for “3 hundreds, 14 tens and 5 ones is ___.”
Numbers on a number line
Use this for “Where is 760 on a line from 700 to 800?” or “What number is at the point?”
Compare three-digit numbers
Use this for “Put a < or > in the blank: 486 ___ 468.”