https://teddyrookbook.com/math/grade-3/Recent content in Grade 3 on Teddy Rook Bookhttps://teddyrookbook.com/img/share.jpghttps://teddyrookbook.com/img/share.jpgHugoenhttps://teddyrookbook.com/math/grade-3/round-10-100/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/round-10-100/Find the closest ten or hundred to a number. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/add-within-1000/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/add-within-1000/Add three-digit numbers, regrouping ones and tens when needed. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/subtract-within-1000/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/subtract-within-1000/Subtract three-digit numbers, regrouping when a digit is too small. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/subtract-across-zeros/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/subtract-across-zeros/Regroup through a zero, as in 400 − 127. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/estimate-sums-differences/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/estimate-sums-differences/Round first to check whether an answer makes sense. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/equal-groups/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/equal-groups/3 × 4 means 3 groups with 4 in each group. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/arrays-multiplication/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/arrays-multiplication/Rows and columns of objects show a multiplication. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/commutative-multiplication/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/commutative-multiplication/3 × 5 and 5 × 3 have the same product. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/multiply-0-1/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/multiply-0-1/Any number times 0 is 0; any number times 1 is itself. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/facts-2-5-10/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/facts-2-5-10/Use doubles and skip counting for these facts. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/facts-3-4-6/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/facts-3-4-6/Build these facts by doubling and adding a group. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/distributive-facts/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/distributive-facts/Split 7 × 6 into 5 × 6 plus 2 × 6. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/facts-7-8-9/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/facts-7-8-9/Learn the hardest facts with patterns and break-apart strategies. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/associative-multiplication/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/associative-multiplication/Multiply three numbers in any grouping, like (2 × 5) × 7. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/multiply-by-multiples-of-10/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/multiply-by-multiples-of-10/4 × 30 is 4 groups of 3 tens, so 12 tens. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/division-sharing/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/division-sharing/Share a total equally to find how many in each group. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/division-grouping/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/division-grouping/Find how many groups of a given size fit in a total. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/division-missing-factor/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/division-missing-factor/24 ÷ 6 asks what times 6 makes 24. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/fact-families/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/fact-families/Three numbers give two multiplication and two division facts. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/divide-with-0-1/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/divide-with-0-1/0 divided by a number is 0, but you cannot divide by 0. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/unknown-in-equations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/unknown-in-equations/Find the missing number in 8 × ? = 48 or 35 ÷ ? = 5. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/mult-div-word-problems/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/mult-div-word-problems/Decide whether a story is about groups, sharing or arrays. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/letter-for-unknown/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/letter-for-unknown/Write an equation with a letter standing for the number you want. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/two-step-word-problems/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/two-step-word-problems/Solve a problem that needs two operations, then check with an estimate. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/arithmetic-patterns/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/arithmetic-patterns/Explain patterns in addition and multiplication tables. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/equal-parts/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/equal-parts/A fraction needs the whole split into parts of equal size. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/unit-fractions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/unit-fractions/1/4 is one of 4 equal parts of a whole. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/build-fractions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/build-fractions/3/4 is three pieces of size 1/4. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/unit-fractions-number-line/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/unit-fractions-number-line/Split the space from 0 to 1 into equal parts. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/fractions-number-line/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/fractions-number-line/Mark 3/4 by counting 3 lengths of 1/4 from 0. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/whole-numbers-as-fractions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/whole-numbers-as-fractions/4/4 is 1, 6/3 is 2, and 5 is 5/1. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/equivalent-fractions-models/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/equivalent-fractions-models/1/2 and 2/4 name the same point and the same amount. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/compare-same-denominator/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/compare-same-denominator/Same-size pieces: more pieces means more. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/compare-same-numerator/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/compare-same-numerator/Same number of pieces: bigger pieces means more. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/time-to-minute/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/time-to-minute/Read and write times like 7:43 on a clock. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/elapsed-time/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/elapsed-time/Find how much time passes between two times. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/mass-and-liquid-volume/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/mass-and-liquid-volume/Measure and solve problems in grams, kilograms and liters. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/area-unit-squares/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/area-unit-squares/Area counts how many unit squares cover a shape. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/area-by-multiplying/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/area-by-multiplying/Rows times squares in each row gives the area. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/area-distributive/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/area-distributive/Split a rectangle in two to find its area in parts. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/area-composite/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/area-composite/Break a shape into rectangles and add their areas. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/perimeter/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/perimeter/Add the side lengths to find the distance around. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/perimeter-unknown-side/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/perimeter-unknown-side/Use the perimeter to find a side you don't know. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/same-perimeter-different-area/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/same-perimeter-different-area/Rectangles with the same perimeter can have different areas. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/scaled-graphs/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/scaled-graphs/Read graphs where one symbol or one grid line stands for several. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/measure-half-quarter-inch/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/measure-half-quarter-inch/Read a ruler marked in halves and fourths. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/line-plots-fractions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/line-plots-fractions/Show measurements as dots above a scale. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/quadrilaterals/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/quadrilaterals/Rhombuses, rectangles and squares are all quadrilaterals. Grade 3 · Math Ladderhttps://teddyrookbook.com/math/grade-3/partition-shapes/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-3/partition-shapes/Each of 6 equal parts is 1/6 of the shape's area. Grade 3 · Math Ladder