Doug Doblar
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Modeling A Fraction As A Sum of Unit Fractions
1_-_modeling_a_fraction_as_a_sum_of_unit_fractions.pdf
File Size:
285 kb
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pdf
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Decomposing Fractions Into Sums Other Than Unit Fractions
2_-_decomposing_fractions_into_sums_other_than_unit_fractions.pdf
File Size:
388 kb
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pdf
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Modeling the Addition of Fractions
3_-_modeling_the_addition_of_fractions.pdf
File Size:
447 kb
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pdf
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Modeling the Subtraction of Fractions
4_-_modeling_the_subtraction_of_fractions.pdf
File Size:
393 kb
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pdf
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Modeling Fraction Addition and Subtraction With Number Lines
4b_add_and_subtract_fractions_w_number_line.pdf
File Size:
617 kb
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pdf
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Adding Mixed Numbers
5_-_adding_mixed_numbers.pdf
File Size:
461 kb
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pdf
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Adding Mixed Numbers Using Number Lines
6_-_adding_mixed_numbers_with_number_line.pdf
File Size:
353 kb
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pdf
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Subtracting Mixed Numbers When Regrouping Is Not Needed
7_-_subtracting_mixed_numbers_when_regrouping_is_not_necessary.pdf
File Size:
483 kb
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pdf
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Subtracting Mixed Numbers When Regrouping is Necessary
8_-_subtracting_mixed_numbers_when_regrouping_is_needed.pdf
File Size:
438 kb
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pdf
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Subtracting Mixed Numbers - Number Line Strategy
9_-_subtracting_mixed_numbers_-_number_line_strategy.pdf
File Size:
459 kb
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pdf
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Adding and Subtracting Mixed Numbers - Improper Fractions Strategy
10_-_adding_and_subtracting_mixed_numbers_-_improper_fraction_strategy.pdf
File Size:
378 kb
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pdf
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Multi-Step Add/Subtract Fractions Problems
11_-_multi-step_problems.pdf
File Size:
818 kb
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pdf
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Equivalent Fractions Strategy #1 - Fraction Bars
1_-_equivalent_fractions_strat_1_-_fraction_bars.pdf
File Size:
269 kb
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pdf
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Equivalent Fractions Strategy #2 - Partitioned Drawings
2_-_equivalent_fractions_strat_2_-_partitioned_drawings.pdf
File Size:
321 kb
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pdf
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Equivalent Fractions Strategy #3 - Fraction Circles
3_-_equivalent_fractions_strat_3_-_fraction_circles.pdf
File Size:
374 kb
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pdf
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Equivalent Fractions Strategy #4 - Set Models
4__word__-_equivalent_fractions_strategy_4_-_set_models.pdf
File Size:
554 kb
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pdf
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Equivalent Fractions Strategy #5 - Number Lines
5_-_equivalent_fractions_strat_5_-_number_lines.pdf
File Size:
367 kb
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pdf
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Comparing Fractions With Bars, Circles, and Numbe Lines
6_-_comparing_fractions_using_bars_circles_and_number_lines.pdf
File Size:
402 kb
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pdf
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Comparing Fractions By Changing One Denominator
7_-_comparing_fractions_by_changing_one_fraction.pdf
File Size:
359 kb
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pdf
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Comparing Fractions When Both Fractions Must Be Changed
8_-_comparing_fractions_when_both_fractions_must_be_changed.pdf
File Size:
364 kb
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pdf
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Comparing Fractions Using A Benchmark
9_-_comparing_fractions_by_comparing_to_a_benchmark.pdf
File Size:
257 kb
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pdf
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Comparing Fractions With the Same Numerator or Denominator
10_-_comparing_fractions_with_same_numerator_or_denominator.pdf
File Size:
510 kb
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pdf
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Fraction Comparisons That Don't Make Sense
10_-_fraction_comparisons_that_dont_make_sense.pdf
File Size:
603 kb
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pdf
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Whole Number x Fraction Strategy #1 - Visual Model
I don't have a video for this strategy because it was always the first topic after winter break. Sorry!
1_-_whole_x_fraction_strat_1_-_area_model.pdf
File Size:
601 kb
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pdf
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Whole Number x Fraction Strategy #2 - Number Line
2_-_whole_x_fraction_strat_2_-_numer_line.pdf
File Size:
472 kb
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pdf
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Whole Number x Fraction Strategy #3 - Repeated Addition
3_-_whole_x_fraction_strat_3_-_repeated_addition.pdf
File Size:
496 kb
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pdf
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Naming and Modeling Multiples of Unit Fractions
4_-_naming_and_modeling_multiples_of_unit_fractions.pdf
File Size:
924 kb
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pdf
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Representing and Using Number Lines With Multiples of Unit Fractions
5_-_representing_and_using_multiples_of_unit_fractions_using_a_number_line.pdf
File Size:
953 kb
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pdf
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Seeing Different Fraction Multiplication Problems In Models and Situations
5b_-_seeing_different_multiplication_problems.pdf
File Size:
516 kb
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pdf
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Using Unit Fractions to Solve Problems Involving Other Fractions
6_-_using_unit_fractions_to_solve_problems_involving_other_fractions.pdf
File Size:
655 kb
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pdf
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Using Unit Fractions to Solve Fraction Multiplication Problems Strategy #2 - Visual Models
7_-_using_unit_fractions_to_solve_problems_strategy_2_-_visual.pdf
File Size:
696 kb
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pdf
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Finding a Fraction of a Group or Set Strategy #1 - Visual Models
9_-_finding_a_fraction_of_a_group_or_set_strat_1_-_visual_model.pdf
File Size:
558 kb
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Finding A Fraction of A Group or Set Strategy #2 - Number Line
10_-_finding_a_fraction_of_a_group_or_set_strat_2_-_number_line.pdf
File Size:
437 kb
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pdf
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Finding A Fraction of A Group or Set Strategy #3 - Multiply
11_-_finding_a_fraction_of_a_group_or_set_strat_3_-_multiplying.pdf
File Size:
466 kb
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pdf
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Changing A Fraction With A Denominator of 10 Into One With A Denominator of 100
1_-_changing_a_fraction_with_a_denominator_of_10_into_an_equivalent_fraction_with_a_denominator_of_100.pdf
File Size:
693 kb
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pdf
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Adding A Fraction With A Denominator of 10 to One With A Denominator of 100
2_-_adding_a_fraction_with_a_denominator_of_10_to_a_fraction_with_a_denominator_of_100.pdf
File Size:
955 kb
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pdf
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Representing A Fraction With a Denominator of 10 or 100 Using a Decimal
3_-_representing_a_fraction_with_a_denominator_of_10_or_100_using_a_decimal.pdf
File Size:
960 kb
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pdf
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Decimals In Expanded Form
4_-_decimals_in_expanded_form.pdf
File Size:
419 kb
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pdf
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Representing Decimals With Base 10 Blocks and Hundreds Charts
5_-_representing_decimals_with_base_10_blocks_and_hundreds_charts.pdf
File Size:
562 kb
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pdf
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Representing 10th Decimals on a Number Line
6_-_representing_tenth-decimals_on_the_number_line.pdf
File Size:
428 kb
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pdf
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Representing 100th Decimals On A Number Line
7_-_representing_100th_decimals_on_a_number_line.pdf
File Size:
496 kb
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pdf
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Comparing Decimals
8_-_comparing_decimals.pdf
File Size:
723 kb
File Type:
pdf
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Ordering Decimals
9_-_ordering_decimals_from_least_to_greatest.pdf
File Size:
635 kb
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pdf
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Home
Math Videos
4th Grade Math
>
Numbers - Base 10
Operations and Algebraic Thinking
Numbers - Fractions
Geometry
Measurement and Data
6th Grade Math
>
Number System (6th)
Ratios and Proportional Thinking (6th)
Expressions and Equations (6th)
Geometry (6th)
Statistics and Probability (6th)
7th Grade Math
>
Ratios-Rates-Proportions-7th
Expressions and Equations (7th)
Number System (7th)
Geometry (7th)
Statistics and Probability (7th)
8th Grade Math
>
Number System (8th)
Expressions and Equations (8th)
Functions (8th)
Geometry (8th)
Statistics and Probability (8th)
Blog Topics
Thinking Classroom
Leaning Into Science and Engineering
Classroom Practices
Classroom Stories
Ideas and Opinions
Pandemic-Related Issues
About
Now