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Lesson

Estimate the sum up to 10,000

Lesson

Addition to 100,000

Lesson

Addition to 100,000 with simple numbers

Lesson

Addition to 10,000 without regrouping

Lesson

Addition to 10,000 with simple numbers

Lesson

Addition through 1,000

Tool

Math Problem Generator

Lesson

Automaticity addition to 100

Lesson

Automaticity addition to 20 crossing tens

Lesson

Automaticity addition to 20 without crossing tens

Lesson

Automaticity addition to 10

Lesson

Addition to 1,000 without crossing tens or hundreds

Lesson

Addition to 1,000 crossing hundreds

Lesson

Addition to 1,000 crossing tens

Lesson

Addition to 1,000 with multiples of ten

Lesson

Addition to 1,000 with crossing tens and hundreds

Lesson

Adding to a hundreds number

Lesson

Addition to 1,000 using standard algorithm with regrouping

Lesson

Addition to 100 with round numbers

Lesson

Estimated and exact sum with decimal numbers with 3 decimal places

Lesson

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

Lesson

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

Lesson

Addition with decimal numbers with 1, 2, or 3 decimal places

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Addition with decimal numbers with 3 decimal places

Lesson

Addition with decimal numbers with 1 and 2 decimal places

Lesson

Addition with decimal numbers with 1 or 2 decimal places

Lesson

Estimate the sum to 1,000

Lesson

Estimate the sum to 100

Lesson

Addition to 1,000 via compensation method

Lesson

Addition to 1,000 with one more or one less

Lesson

Addition to 1,000 via simplification

Lesson

Addition to 1,000 with three or more random numbers

Lesson

Addition to 1,000 by splitting the second addend

Lesson

Addition to 1,000 using grouping with three or more addends

Lesson

Addition to 1,000 by splitting the second addend into hundreds, tens, and ones

Lesson

Addition to 1,000 with three or more simple numbers

Lesson

Addition to 1,000 by counting, with hundreds and tens

Lesson

Addition to 1,000 by counting, with hundreds

Lesson

Addition through 100 crossing tens

Lesson

Addition through 100 without regrouping

Lesson

Addition through 100 with tens

Lesson

Addition to 100 in tens with the zero rule

Lesson

Addition to 100 via compensation method

Lesson

Addition to 100 with one more or one less

Lesson

Addition to 100 using simplification

Lesson

Addition to 100 crossing tens with addends >10

Lesson

Addition to 100 crossing ten with addends <10

Lesson

Addition to 100 by tens and ones using addends >10

Lesson

Addition to 100 by making tens using addends <10

Lesson

Addition to 100 with three or more random addends

Lesson

Addition to 100 with three or more simple numbers

Lesson

Addition to 100 making ten

Lesson

Adding to 100 by tens and ones without regrouping

Lesson

Addition to 100 without regrouping

Lesson

Addition to 100 with tens

Lesson

Addition to 100 with the zero-rule

Lesson

Addition to 50 with 10, 5, and 1

Lesson

Addition to 50 making tens with second addends >10

Lesson

Addition to 50 making ten with second addends <10

Lesson

Addition to 50 with second addends >10

Lesson

Addition to 50 with second addends <10

Lesson

Add doubles to 40

Lesson

Addition to 30 using simplification

Lesson

Addition to 30 making ten

Lesson

Addition to 30 without regrouping numbers

Lesson

Addition to 30 with repeating addends

Lesson

Addition to 20 with three or more addends

Lesson

Adding to 20 with 2 or 3 addends

Lesson

Adding equal amounts to 20

Lesson

Addition to 20 with one more or one less

Lesson

Addition to 20 with one more using an addition table

Lesson

Adding to 20 swapping addends

Lesson

Addition to 20 with doubles and near doubles

Lesson

Add doubles to 20

Lesson

Addition to 20

Lesson

Addition to 20 using grouping with three addends

Lesson

Addition to 20 making tens on the number line

Lesson

On the bus: Addition to 20 making ten

Lesson

Addition to 20 with one more or one less

Lesson

Addition to 20 with tens and ones

Lesson

Addition to 20

Lesson

Addition to 20 using simplification

Lesson

Addition to 20

Lesson

Addition to 20 on the number line

Lesson

On the bus: Addition to 20

Lesson

Recognizing addition problems to 20

Lesson

Addition to 10 with three addends

Lesson

Adding to 10 with 2 or 3 addends

Lesson

Addition to 10 swapping addends

Lesson

Addition to 10 with one more

Lesson

Addition to 10 with one more, one less

Lesson

Adding doubles to 10

Lesson

Addition to 10

Lesson

Addition to 10 on the number line

Lesson

Adding to the number 10

Lesson

Addition to 10 with 1 or 2 more

Lesson

Addition to 10 with the rekenrek

Lesson

Recognizing addition problems to 10

Lesson

On the bus: Addition to 10

Lesson

Addition to 5

Lesson

Recognizing addition problems to 5

Lesson

Addition with decimal numbers up to the hundredths place