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0.6400 https://www.iknowit.com/lessons/b-addition-four-2-digit-addends.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-addition-three-or-four-2-digit-addends.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-missing-numbers-to-100-addition.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-subtracting-ten.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-subtracting-ten-or-hundred.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-2-digit-minus-1-digit.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-2-digit-minus-2-digit-without-regrouping.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-2-digit-minus-2-digit-regrouping.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-subtracting-3-digit-numbers-with-regrouping.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-missing-numbers-to-100-subtraction.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-add-or-subtract-10-or-100.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-addition-subtraction-2-digit-numbers.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-tables-addition-subtraction-within-100.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-bar-models-2-digit-addition-subtraction.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-addition-subtraction-3-digit-numbers.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-multiplying-with-pictures-up-to-5x5.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-multiplying-with-arrays-up-to-5x5.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-basic-multiplication-up-to-5x5.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-multiplying-as-repeated-addition-up-to-5x5.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-basic-multiplication-drill-up-to-5x5.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-multiply-in-any-order-commutative-property.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-fractions-equal-parts.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-fractions-of-shapes.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-fractions-of-sets.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-telling-time-hour.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-telling-time-half-hour.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-telling-time-5-minutes.html 2025-06-04T18:17:42+00:00 always 0.6400 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https://www.iknowit.com/lessons/b-geometry-flat-shapes-2d.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-geometry-solid-shapes-3d.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-slides-flips-turns.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-symmetry.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-shape-patterns.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-reading-bar-graphs.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-word-problems-choose-the-operation-add-subtract.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/b-addition-subtraction-word-problems-mixed.html 2025-06-04T18:17:42+00:00 always 0.6400 https://www.iknowit.com/lessons/c-place-value-up-to-thousands.html 2025-06-04T18:17:42+00:00 always 0.6400 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