Subtracting decimal numbers to 100 using the Standard Algorithm
Addition & Subtraction
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Addition & Subtraction
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Adding decimal numbers to 100 using the Standard Algorithm
Adding decimal numbers to 100 using the Standard Algorithm
Addition & Subtraction to 1,000 using standard algorithm
Addition & Subtraction to 1,000 using standard algorithm
Subtracting to 10,000 using the standard algorithm
Subtracting to 10,000 using the standard algorithm
Partial differences subtraction to 1,000 with regrouping
Partial differences subtraction to 1,000 with regrouping
Partial differences subtraction to 1,000 without regrouping
Partial differences subtraction to 1,000 without regrouping
Automaticity subtraction to 20 without crossing tens
Automaticity subtraction to 20 without crossing tens
Subtraction to 1,000 without crossing tens or hundreds
Subtraction to 1,000 without crossing tens or hundreds
Addition to 1,000 without crossing tens or hundreds
Addition to 1,000 without crossing tens or hundreds
Adding using standard algorithm with decimal numbers to the thousandths place
Adding using standard algorithm with decimal numbers to the thousandths place
Subtraction to 1,000 using standard algorithm with regrouping 
Subtraction to 1,000 using standard algorithm with regrouping
Addition to 1,000 using standard algorithm with regrouping
Addition to 1,000 using standard algorithm with regrouping
Subtraction with decimal numbers to the hundredths place
Subtraction with decimal numbers to the hundredths place
Partial differences subtraction with decimal numbers to the thousandths place
Partial differences subtraction with decimal numbers to the thousandths place
Partial sums addition with decimal numbers to the hundredths place
Partial sums addition with decimal numbers to the hundredths place
Partial sums addition with decimal numbers to the thousandths place
Partial sums addition with decimal numbers to the thousandths place
On the bus: Recognizing how many added/subtracted to 20
On the bus: Recognizing how many added/subtracted to 20
On the bus: Recognizing addition and subtraction situations
On the bus: Recognizing addition and subtraction situations
Addition and subtraction to 20 using related problems
Addition and subtraction to 20 using related problems
Addition and subtraction to 20 using fact families
Addition and subtraction to 20 using fact families
Recognizing addition and subtraction situations to 20
Recognizing addition and subtraction situations to 20
Addition and subtraction to 10 using fact families
Addition and subtraction to 10 using fact families
Recognizing addition and subtraction situations to 10
Recognizing addition and subtraction situations to 10
Estimated and exact difference with decimal numbers with 3 decimal places
Estimated and exact difference with decimal numbers with 3 decimal places
Estimated and exact difference with decimal numbers with 1 and 2 decimal places
Estimated and exact difference with decimal numbers with 1 and 2 decimal places
Estimated and exact difference with decimal numbers with 1 or 2 decimal places
Estimated and exact difference with decimal numbers with 1 or 2 decimal places
Determine difference between decimal numbers with 1, 2, and 3 decimals
Determine difference between decimal numbers with 1, 2, and 3 decimals
Subtraction with decimal numbers with 1,2, and 3 decimal places 
Subtraction with decimal numbers with 1,2, and 3 decimal places
Determine the difference between decimal numbers with 3 decimal places
Determine the difference between decimal numbers with 3 decimal places
Subtraction with decimal numbers with 3 decimal places
Subtraction with decimal numbers with 3 decimal places
Determine difference between decimal numbers with 1 and 2 decimals
Determine difference between decimal numbers with 1 and 2 decimals
Determine difference between decimal numbers with 1 or 2 decimals places
Determine difference between decimal numbers with 1 or 2 decimals places
Subtraction with decimal numbers with 1 and 2 decimal places
Subtraction with decimal numbers with 1 and 2 decimal places
Subtraction with decimal numbers with 1 or 2 decimal places
Subtraction with decimal numbers with 1 or 2 decimal places
Subtraction to 1,000 splitting the subtrahend with regrouping
Subtraction to 1,000 splitting the subtrahend with regrouping
Subtraction through 100 regrouping hundreds as tens
Subtraction through 100 regrouping hundreds as tens
Subtraction to 100 regrouping with subtrahends <10
Subtraction to 100 regrouping with subtrahends <10
Subtraction to 100 by splitting the subtrahend with subtrahends >10
Subtraction to 100 by splitting the subtrahend with subtrahends >10
Subtraction to 100 by splitting the subtrahend with subtrahends < 10
Subtraction to 100 by splitting the subtrahend with subtrahends < 10
Subtraction to 100 by creating an addition problem
Subtraction to 100 by creating an addition problem
Subtraction from tens numbers with small differences
Subtraction from tens numbers with small differences
Subtraction to 50 without crossing ten with subtrahends <10
Subtraction to 50 without crossing ten with subtrahends <10
Subtraction to 20 with one more or one less, decomposing the second number
Subtraction to 20 with one more or one less, decomposing the second number
Subtraction to 20 using grouping with three numbers
Subtraction to 20 using grouping with three numbers
Subtraction to 20 on the number line, crossing ten
Subtraction to 20 on the number line, crossing ten
Estimated and exact sum with decimal numbers with 3 decimal places
Estimated and exact sum with decimal numbers with 3 decimal places
Estimated and exact sum with decimal numbers with 1 and 2 decimal places
Estimated and exact sum with decimal numbers with 1 and 2 decimal places
Estimated and exact sum with decimal numbers with 1 or 2 decimal places
Estimated and exact sum with decimal numbers with 1 or 2 decimal places
Addition with decimal numbers with 1, 2, or 3 decimal places
Addition with decimal numbers with 1, 2, or 3 decimal places
Addition with decimal numbers with 3 decimal places
Addition with decimal numbers with 3 decimal places
Addition with decimal numbers with 1 and 2 decimal places
Addition with decimal numbers with 1 and 2 decimal places
Addition with decimal numbers with 1 or 2 decimal places
Addition with decimal numbers with 1 or 2 decimal places
Addition to 1,000 with three or more random numbers
Addition to 1,000 with three or more random numbers
Addition to 1,000 using grouping with three or more addends
Addition to 1,000 using grouping with three or more addends
Addition to 1,000 by splitting the second addend into hundreds, tens, and ones
Addition to 1,000 by splitting the second addend into hundreds, tens, and ones
Addition to 1,000 with three or more simple numbers
Addition to 1,000 with three or more simple numbers
Addition to 1,000 by counting, with hundreds and tens
Addition to 1,000 by counting, with hundreds and tens
Addition to 100 by tens and ones using addends >10
Addition to 100 by tens and ones using addends >10
Addition to 50 making tens with second addends >10
Addition to 50 making tens with second addends >10
Addition to 20 with one more using an addition table
Addition to 20 with one more using an addition table
Coloring decompositions to 10- recognizable objects
Coloring decompositions to 10- recognizable objects
Addition with decimal numbers up to the hundredths place
