|
Ways to solve two-step word problems.
|
|
More ways to model word problems.
|
|
Practice solving word problems with two-digit numbers. Determine if the word problem needs one or two-steps to solve it. Use a model to help decide how to write the equation.
|
|
Practice ways to model word problems. Addition: start + change = total Subtraction: total - change = start
|
|
Ways to model word problems.
|
|
Strategies to subtract two-digit numbers - regroup with base-ten blocks, regroup writing out tens and ones, and open number line.
|
|
Strategies to find a missing addend - open number line, add up to the next ten, draw base-ten blocks.
|
|
Using subtraction strategies with two-digit numbers.
|
|
Practice using addition and subtraction strategies.
|
|
Practice using subtraction strategies with two-digit numbers.
|
|
Strategies to find a missing addend.
|
|
Subtracting by regrouping.
|
|
Practice subtracting two-digit numbers.
|
|
Practice subtracting by regrouping.
|
|
Subtracting by adding up.
|
|
More ways to show addition.
|