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Lesson

Subtraction with numbers up to 20

Lesson

Estimate the difference to 100,000

Lesson

Subtracting to 100,000

Lesson

Subtraction to 100,000 with simple numbers

Lesson

Subtracting from a ten-thousands number

Lesson

Subtraction to 10,000 without regrouping

Lesson

Subtraction to 10,000 with simple numbers

Lesson

Subtracting from a thousands number

Lesson

Subtraction through 1,000

Tool

Math Problem Generator

Lesson

Automaticity subtraction to 100

Lesson

Automaticity subtraction to 20 crossing tens

Lesson

Automaticity subtraction to 20 without crossing tens

Lesson

Automaticity subtraction to 10

Lesson

Subtraction to 1,000 crossing tens and hundreds

Lesson

Subtraction to 1,000 crossing hundreds

Lesson

Subtraction to 1,000 crossing tens

Lesson

Subtraction to 1,000 crossing multiples of ten

Lesson

Subtraction to 1,000 from a multiple of 100

Lesson

Subtraction to 1,000 without crossing tens or hundreds

Lesson

Subtraction to 1,000 with multiples of ten

Lesson

Subtraction to 1,000 using standard algorithm with regrouping

Lesson

Subtraction to 1,000 using standard algorithm

Lesson

Estimated and exact difference with decimal numbers with 3 decimal places

Lesson

Estimated and exact difference with decimal numbers with 1 and 2 decimal places

Lesson

Estimated and exact difference with decimal numbers with 1 or 2 decimal places

Lesson

Determine difference between decimal numbers with 1, 2, and 3 decimals

Lesson

Subtraction with decimal numbers with 1,2, and 3 decimal places

Lesson

Determine the difference between decimal numbers with 3 decimal places

Lesson

Subtraction with decimal numbers with 3 decimal places

Lesson

Determine difference between decimal numbers with 1 and 2 decimals

Lesson

Determine difference between decimal numbers with 1 or 2 decimals places

Lesson

Subtraction with decimal numbers with 1 and 2 decimal places

Lesson

Subtraction with decimal numbers with 1 or 2 decimal places

Lesson

Estimate the difference to 1,000

Lesson

Estimate the difference to 100

Lesson

Subtraction to 1,000 with three or more numbers

Lesson

Subtraction to 1,000 via compensation method

Lesson

Subtraction to 1,000 via one more/one less

Lesson

Subtraction to 1,000 via simplification

Lesson

Subtraction to 1,000 splitting the subtrahend with regrouping

Lesson

Subtraction to 1,000 from hundreds numbers

Lesson

Determine difference to 1,000

Lesson

Subtraction to 1,000 splitting the subtrahend

Lesson

Subtracting numbers to a hundreds number

Lesson

Subtraction through 100 regrouping tens

Lesson

Subtraction through 100 regrouping hundreds as tens

Lesson

Subtraction through 100 using tens

Lesson

Subtraction to 1,000 with the zero-rule

Lesson

Subtraction to 100 with three or more numbers

Lesson

Subtraction to 100 via compensation method

Lesson

Subtraction to 100 via one more/one less

Lesson

Subtraction to 100 via simplification

Lesson

Subtraction to 100 with subtrahends >10

Lesson

Subtraction to 100 regrouping with subtrahends <10

Lesson

Subtraction to 100 by splitting the subtrahend with subtrahends >10

Lesson

Subtraction to 100 by splitting the subtrahend with subtrahends < 10

Lesson

Determining difference to 100

Lesson

Subtraction to 100 by creating an addition problem

Lesson

Subtracting numbers to 100 from a tens number

Lesson

Subtraction from tens numbers with small differences

Lesson

Subtraction to 100

Lesson

Subtraction to 100 by tens and ones

Lesson

Subtracting numbers to 100 to a tens number

Lesson

Subtracting numbers to 100 using tens

Lesson

Subtraction to 100 via the zero rule

Lesson

Subtraction to 50 with subtrahends >10

Lesson

Subtraction to 50 with subtrahends <10

Lesson

Subtraction to 50 with subtrahends >10

Lesson

Subtraction to 50 without crossing ten with subtrahends <10

Lesson

Subtraction to 30 using simplification

Lesson

Subtraction to 30 with regrouping

Lesson

Subtraction to 30 without regrouping

Lesson

Subtraction to 20 with three or more numbers

Lesson

Subtraction to 20 with one more or one less

Lesson

Subtraction to 20 via inverse operation

Lesson

Subtraction to 20 crossing ten

Lesson

Subtraction to 20 with one more or one less, decomposing the second number

Lesson

Subtraction to 20 using grouping with three numbers

Lesson

Subtraction to 20 on the number line, crossing ten

Lesson

On the bus: Subtraction to 20 crossing ten

Lesson

Subtraction from 20 with numbers to 20

Lesson

Subtracting tens and ones from numbers to 20

Lesson

Subtraction to 20 with result of 0 or 1

Lesson

Determining difference to 20

Lesson

Subtraction to 20 using simplification

Lesson

Subtraction to 20 without regrouping

Lesson

Subtraction to 20 on the number line

Lesson

On the bus: Subtraction to 20

Lesson

Recognizing subtraction problems to 20

Lesson

Subtraction to 10 with three numbers

Lesson

Subtraction to 10 via inverse operation

Lesson

Subtraction to 10 using related problems

Lesson

Subtraction to 10 with one more or one less

Lesson

Subtraction to 10

Lesson

Subtraction to 10 on the number line

Lesson

Subtraction from 10 with numbers to 10

Lesson

Subtraction to 10 with result of 0 or 1

Lesson

Subtraction to 10 with 1 or 2

Lesson

Subtraction to 10 with rekenrek

Lesson

Recognizing subtraction problems to 10

Lesson

Subtraction to 10 via bus example

Lesson

Subtraction to 5

Lesson

Recognizing subtraction problems to 5