Addition

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Mathematics
Addition & Subtraction
Addition
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Addition to 10
Addition to 20
Addition to 30
Addition to 50
Addition to 100
Addition to 1,000
Addition to 1,000,000
Automaticity addition
Estimated Sums
Adding decimal numbers
Estimated sums of decimal numbers
Estimate the sum up to 10,000
Lesson
Estimate the sum up to 10,000
Addition to 100,000
Lesson
Addition to 100,000
Addition to 100,000 with simple numbers
Lesson
Addition to 100,000 with simple numbers
Addition to 10,000 without regrouping
Lesson
Addition to 10,000 without regrouping
Addition to 10,000 with simple numbers
Lesson
Addition to 10,000 with simple numbers
Addition through 1,000
Lesson
Addition through 1,000
Math Problem Generator
Tool
Math Problem Generator
Automaticity addition to 100
Lesson
Automaticity addition to 100
Automaticity addition to 20 crossing tens
Lesson
Automaticity addition to 20 crossing tens
Automaticity addition to 20 without crossing tens
Lesson
Automaticity addition to 20 without crossing tens
Automaticity addition to 10
Lesson
Automaticity addition to 10
Addition to 1,000 without crossing tens or hundreds
Lesson
Addition to 1,000 without crossing tens or hundreds
Addition to 1,000 crossing hundreds
Lesson
Addition to 1,000 crossing hundreds
Addition to 1,000 crossing tens
Lesson
Addition to 1,000 crossing tens
Addition to 1,000 with multiples of ten
Lesson
Addition to 1,000 with multiples of ten
Addition to 1,000 with crossing tens and hundreds
Lesson
Addition to 1,000 with crossing tens and hundreds
Adding to a hundreds number
Lesson
Adding to a hundreds number
Addition to 1,000 using standard algorithm with regrouping
Lesson
Addition to 1,000 using standard algorithm with regrouping
Addition to 100 with round numbers
Lesson
Addition to 100 with round numbers
Estimated and exact sum with decimal numbers with 3 decimal places
Lesson
Estimated and exact sum with decimal numbers with 3 decimal places
Estimated and exact sum with decimal numbers with 1 and 2 decimal places
Lesson
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
Lesson
Estimated and exact sum with decimal numbers with 1 or 2 decimal places
Addition with decimal numbers with 1, 2, or 3 decimal places
Lesson
Addition with decimal numbers with 1, 2, or 3 decimal places
Addition with decimal numbers with 3 decimal places
Lesson
Addition with decimal numbers with 3 decimal places
Addition with decimal numbers with 1 and 2 decimal places
Lesson
Addition with decimal numbers with 1 and 2 decimal places
Addition with decimal numbers with 1 or 2 decimal places
Lesson
Addition with decimal numbers with 1 or 2 decimal places
Estimate the sum to 1,000
Lesson
Estimate the sum to 1,000
Estimate the sum to 100
Lesson
Estimate the sum to 100
Addition to 1,000 via compensation method
Lesson
Addition to 1,000 via compensation method
Addition to 1,000 with one more or one less
Lesson
Addition to 1,000 with one more or one less
Addition to 1,000 via simplification
Lesson
Addition to 1,000 via simplification
Addition to 1,000 with three or more random numbers
Lesson
Addition to 1,000 with three or more random numbers
Addition to 1,000 by splitting the second addend
Lesson
Addition to 1,000 by splitting the second addend
Addition to 1,000 using grouping with three or more addends
Lesson
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
Lesson
Addition to 1,000 by splitting the second addend into hundreds, tens, and ones
Addition to 1,000 with three or more simple numbers
Lesson
Addition to 1,000 with three or more simple numbers
Addition to 1,000 by counting, with hundreds and tens
Lesson
Addition to 1,000 by counting, with hundreds and tens
Addition to 1,000 by counting, with hundreds
Lesson
Addition to 1,000 by counting, with hundreds
Addition through 100 crossing tens
Lesson
Addition through 100 crossing tens
Addition through 100 without regrouping
Lesson
Addition through 100 without regrouping
Addition through 100 with tens
Lesson
Addition through 100 with tens
Addition to 100 in tens with the zero rule
Lesson
Addition to 100 in tens with the zero rule
Addition to 100 via compensation method
Lesson
Addition to 100 via compensation method
Addition to 100 with one more or one less
Lesson
Addition to 100 with one more or one less
Addition to 100 using simplification
Lesson
Addition to 100 using simplification
Addition to 100 crossing tens with addends >10
Lesson
Addition to 100 crossing tens with addends >10
Addition to 100 crossing ten with addends <10
Lesson
Addition to 100 crossing ten with addends <10
Addition to 100 by tens and ones using addends >10
Lesson
Addition to 100 by tens and ones using addends >10
Addition to 100 by making tens using addends <10
Lesson
Addition to 100 by making tens using addends <10
Addition to 100 with three or more random addends
Lesson
Addition to 100 with three or more random addends
Addition to 100 with three or more simple numbers
Lesson
Addition to 100 with three or more simple numbers
Addition to 100 making ten
Lesson
Addition to 100 making ten
Adding to 100 by tens and ones without regrouping
Lesson
Adding to 100 by tens and ones without regrouping
Addition to 100 without regrouping
Lesson
Addition to 100 without regrouping
Addition to 100 with tens
Lesson
Addition to 100 with tens
Addition to 100 with the zero-rule
Lesson
Addition to 100 with the zero-rule
Addition to 50 with 10, 5, and 1
Lesson
Addition to 50 with 10, 5, and 1
Addition to 50 making tens with second addends >10
Lesson
Addition to 50 making tens with second addends >10
Addition to 50 making ten with second addends <10
Lesson
Addition to 50 making ten with second addends <10
Addition to 50 with second addends >10
Lesson
Addition to 50 with second addends >10
Addition to 50 with second addends <10
Lesson
Addition to 50 with second addends <10
Add doubles to 40
Lesson
Add doubles to 40
Addition to 30 using simplification
Lesson
Addition to 30 using simplification
Addition to 30 making ten
Lesson
Addition to 30 making ten
Addition to 30 without regrouping numbers
Lesson
Addition to 30 without regrouping numbers
Addition to 30 with repeating addends
Lesson
Addition to 30 with repeating addends
Addition to 20 with three or more addends
Lesson
Addition to 20 with three or more addends
Adding to 20 with 2 or 3 addends
Lesson
Adding to 20 with 2 or 3 addends
Adding equal amounts to 20
Lesson
Adding equal amounts to 20
Addition to 20 with one more or one less
Lesson
Addition to 20 with one more or one less
Addition to 20 with one more using an addition table
Lesson
Addition to 20 with one more using an addition table
Adding to 20 swapping addends
Lesson
Adding to 20 swapping addends
Addition to 20 with doubles and near doubles
Lesson
Addition to 20 with doubles and near doubles
Add doubles to 20
Lesson
Add doubles to 20
Addition to 20
Lesson
Addition to 20
Addition to 20 using grouping with three addends
Lesson
Addition to 20 using grouping with three addends
Addition to 20 making tens on the number line
Lesson
Addition to 20 making tens on the number line
On the bus: Addition to 20 making ten
Lesson
On the bus: Addition to 20 making ten
Addition to 20 with one more or one less
Lesson
Addition to 20 with one more or one less
Addition to 20 with tens and ones
Lesson
Addition to 20 with tens and ones
Addition to 20
Lesson
Addition to 20
Addition to 20 using simplification
Lesson
Addition to 20 using simplification
Addition to 20
Lesson
Addition to 20
Addition to 20 on the number line
Lesson
Addition to 20 on the number line
On the bus: Addition to 20
Lesson
On the bus: Addition to 20
Recognizing addition problems to 20
Lesson
Recognizing addition problems to 20
Addition to 10 with three addends
Lesson
Addition to 10 with three addends
Adding to 10 with 2 or 3 addends
Lesson
Adding to 10 with 2 or 3 addends
Addition to 10 swapping addends
Lesson
Addition to 10 swapping addends
Addition to 10 with one more
Lesson
Addition to 10 with one more
Addition to 10 with one more, one less
Lesson
Addition to 10 with one more, one less
Adding doubles to 10
Lesson
Adding doubles to 10
Addition to 10
Lesson
Addition to 10
Addition to 10 on the number line
Lesson
Addition to 10 on the number line
Adding to the number 10
Lesson
Adding to the number 10
Addition to 10 with 1 or 2 more
Lesson
Addition to 10 with 1 or 2 more
Addition to 10 with the rekenrek
Lesson
Addition to 10 with the rekenrek
Recognizing addition problems to 10
Lesson
Recognizing addition problems to 10
On the bus: Addition to 10
Lesson
On the bus: Addition to 10
Addition to 5
Lesson
Addition to 5
Recognizing addition problems to 5
Lesson
Recognizing addition problems to 5
Addition with decimal numbers up to the hundredths place
Lesson
Addition with decimal numbers up to the hundredths place

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