https://teddyrookbook.com/math/grade-7/Recent content in Grade 7 on Teddy Rook Bookhttps://teddyrookbook.com/img/share.jpghttps://teddyrookbook.com/img/share.jpgHugoenhttps://teddyrookbook.com/math/grade-7/unit-rates-fractions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/unit-rates-fractions/Walking 1/2 mile in 1/4 hour is 2 miles per hour. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/proportional-tables/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/proportional-tables/Every ratio y/x in the table is the same. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/proportional-graphs/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/proportional-graphs/A proportional graph is a straight line through the origin. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/constant-of-proportionality/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/constant-of-proportionality/k = y/x is the unit rate in every row. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/proportional-equations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/proportional-equations/Turn a table or story into an equation. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/proportional-points/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/proportional-points/(1, k) shows the unit rate; (0, 0) means none of each. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/solve-proportions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/solve-proportions/Use unit rates, scale factors, or cross products, and know why each works. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/percent-change/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/percent-change/Divide the change by the original amount. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/markup-discount-tax/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/markup-discount-tax/Find sale prices and totals with percents. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/simple-interest/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/simple-interest/Interest = principal × rate × time. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/percent-error/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/percent-error/Compare an estimate with the actual value as a percent. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/scale-drawings/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/scale-drawings/Use a scale to find actual lengths and areas. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/opposites-make-zero/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/opposites-make-zero/A number and its opposite add to 0. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/add-integers/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/add-integers/Move right for positive, left for negative. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/subtract-integers/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/subtract-integers/Subtracting a number is adding its opposite. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/number-line-distance/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/number-line-distance/The distance from a to b is |a − b|. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/add-subtract-rationals/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/add-subtract-rationals/Use the same rules for negative fractions and decimals. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/multiply-integers/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/multiply-integers/A negative times a negative is positive, and the pattern shows why. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/divide-integers/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/divide-integers/The sign rules for dividing match those for multiplying. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/multiply-divide-rationals/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/multiply-divide-rationals/Apply the sign rules to fractions and decimals. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/fractions-to-decimals/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/fractions-to-decimals/Divide to change a fraction to a decimal that ends or repeats. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/integer-operations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/integer-operations/Solve problems with all four operations on rational numbers. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/combine-like-terms/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/combine-like-terms/Add terms with the same variable part: 3x + 5x = 8x. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/expand-factor-linear/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/expand-factor-linear/Distribute and factor with negative and fractional coefficients. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/add-subtract-expressions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/add-subtract-expressions/Subtracting an expression subtracts every term in it. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/rewrite-to-see-meaning/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/rewrite-to-see-meaning/a + 0.05a = 1.05a shows a 5% increase. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/one-step-rational/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/one-step-rational/Solve x − 4.5 = −2 and −2/3 x = 8. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/two-step-equations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/two-step-equations/Undo adding or subtracting, then undo multiplying or dividing. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/equations-with-parentheses/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/equations-with-parentheses/Divide first, or distribute first; both work. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/equation-word-problems/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/equation-word-problems/Write and solve an equation, then compare with an arithmetic solution. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/two-step-inequalities/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/two-step-inequalities/Solve like an equation, but reverse the sign when you multiply or divide by a negative. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/multistep-problems/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/multistep-problems/Mix fractions, decimals and percents and check with an estimate. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/angle-relationships/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/angle-relationships/Use angle pairs to find unknown angles. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/angle-equations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/angle-equations/Write and solve an equation from an angle diagram. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/which-triangles-exist/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/which-triangles-exist/Three lengths make a triangle only if each pair adds to more than the third. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/circumference/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/circumference/Every circle's circumference is π times its diameter. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/circle-area/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/circle-area/Rearrange slices into a near-rectangle: A = πr². Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/cross-sections/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/cross-sections/Name the shapes made by slicing prisms and pyramids. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/surface-area-problems/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/surface-area-problems/Find areas and surface areas of composite figures. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/volume-prisms/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/volume-prisms/V = Bh for any prism, where B is the area of the base. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/random-samples/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/random-samples/A random sample gives every member an equal chance to be chosen. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/sample-predictions/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/sample-predictions/Use a sample's proportion to estimate the population. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/compare-populations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/compare-populations/Compare centers relative to spread to judge how different groups are. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/probability-scale/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/probability-scale/0 is impossible, 1 is certain, 1/2 is as likely as not. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/theoretical-probability/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/theoretical-probability/Equally likely outcomes: favorable over total. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/experimental-probability/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/experimental-probability/Use relative frequency from trials to estimate probability. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/probability-models/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/probability-models/Decide whether a model fits observed results. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/sample-spaces/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/sample-spaces/List every outcome of a compound event. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/compound-probability/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/compound-probability/Find a compound probability as a fraction of the sample space. Grade 7 · Math Ladderhttps://teddyrookbook.com/math/grade-7/simulations/Mon, 01 Jan 0001 00:00:00 +0000https://teddyrookbook.com/math/grade-7/simulations/Use random tools to estimate hard probabilities. Grade 7 · Math Ladder