Home Free Printables Math 7th Grade Probability, sampling and why one survey isn't enough — Take-Home — 7th Grade Preview — download the full PDF for print-quality output
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Probability, sampling and why one survey isn't enough — Take-Home — 7th Grade Calculates simple and compound probabilities, and understands why sample size and selection matter. This one-page 7th Grade take-home carries the two-minute check that tells you whether the skill is wobbly, then "Run the Experiment" — 30 minutes with coins or dice, paper for a tally — plus what to…
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Probability, sampling and why one survey isn't enough MATH · 7TH GRADE Name Date TAKE-HOME PRACTICE Math · 7th Grade 30 minutes WHAT THIS BUILDS Calculates simple and compound probabilities, and understands why sample size and selection matter. 1 THE TWO-MINUTE CHECK ASK "Five heads in a row. What's the chance of heads next? Why can't I survey this class to predict a national election?" A SOLID ANSWER Still one half, and a real point about biased or unrepresentative samples. Not yet Getting there Solid 2 RUN THE EXPERIMENT You need: Coins or dice, Paper for a tally Predict the theoretical probability first and write it down. Run ten trials and compare to the prediction — it will look wrong. Run a hundred trials, pooling results with everyone in the house. Watch the experimental probability converge towards the theoretical one. Then discuss sampling: survey the house, then ask who's missing from that sample. SAY THIS WHEN IT STALLS "The coin has no memory. Ten flips can look anything; a thousand can't." One coin, tally to fifty. Compound events with a tree diagram, and with-versus-without replacement. IF IT'S TOO HARD IF IT'S TOO EASY Did it M T W T F Full year of take-homes: www.littleactivity.com/takehome/grade-7 www.littleactivity.com 7th Grade · Math
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Probability, sampling and why one survey isn't enough MATH · 7TH GRADE Name Date TAKE-HOME PRACTICE Math · 7th Grade 30 minutes WHAT THIS BUILDS Calculates simple and compound probabilities, and understands why sample size and selection matter. 1 THE TWO-MINUTE CHECK ASK "Five heads in a row. What's the chance of heads next? Why can't I survey this class to predict a national election?" A SOLID ANSWER Still one half, and a real point about biased or unrepresentative samples. Not yet Getting there Solid 2 RUN THE EXPERIMENT You need: Coins or dice, Paper for a tally Predict the theoretical probability first and write it down. Run ten trials and compare to the prediction — it will look wrong. Run a hundred trials, pooling results with everyone in the house. Watch the experimental probability converge towards the theoretical one. Then discuss sampling: survey the house, then ask who's missing from that sample. SAY THIS WHEN IT STALLS "The coin has no memory. Ten flips can look anything; a thousand can't." One coin, tally to fifty. Compound events with a tree diagram, and with-versus-without replacement. IF IT'S TOO HARD IF IT'S TOO EASY Did it M T W T F Full year of take-homes: www.littleactivity.com/takehome/grade-7 www.littleactivity.com 7th Grade · Math
Addition Within 12 MATH · KINDERGARTEN Name Date Solve each addition problem. Sums up to 12. 6 + 1 = 8 + 3 = 6 + 2 = 1 + 11 = 3 + 1 = 2 + 6 = 11 + 1 = 1 + 8 = 2 + 7 = 5 + 7 = 3 + 7 = 6 + 5 = www.littleactivity.com Kindergarten · Math
Domino Addition MATH · KINDERGARTEN Name Date Count the dots on each domino. Write the addition. 2 + 3 = 4 + 1 = 3 + 3 = 5 + 2 = 1 + 4 = 6 + 1 = www.littleactivity.com Kindergarten · Math
Addition Within 12 — Review MATH · KINDERGARTEN Name Date Solve each addition problem. Sums up to 12. 1 + 7 = 1 + 2 = 3 + 3 = 2 + 6 = 5 + 7 = 10 + 1 = 3 + 1 = 6 + 5 = 4 + 2 = 7 + 2 = 2 + 3 = 2 + 8 = www.littleactivity.com Kindergarten · Math
Addition Within 12 — Challenge MATH · KINDERGARTEN Name Date Solve each addition problem. Sums up to 12. 6 + 3 = 1 + 1 = 1 + 5 = 7 + 3 = 4 + 6 = 5 + 5 = 6 + 2 = 2 + 10 = 6 + 5 = 5 + 3 = 2 + 3 = 2 + 9 = www.littleactivity.com Kindergarten · Math
Addition Within 12 — Extra Practice MATH · KINDERGARTEN Name Date Solve each addition problem. Sums up to 12. 3 + 6 = 1 + 8 = 5 + 4 = 8 + 1 = 2 + 2 = 5 + 7 = 2 + 5 = 1 + 5 = 3 + 3 = 4 + 2 = 4 + 1 = 5 + 5 = www.littleactivity.com Kindergarten · Math
Before & After Numbers MATH · KINDERGARTEN Name Date Write the number that comes before and after. ____ , 25 , ____ → 24, 26 1. ____ , 48 , ____ 2. ____ , 98 , ____ 3. ____ , 76 , ____ 4. ____ , 82 , ____ 5. ____ , 68 , ____ 6. ____ , 58 , ____ 7. ____ , 15 , ____ 8. ____ , 28 , ____ 9. ____ , 49 , ____ 10. ____ , 97 , ____ 11. ____ , 22 , ____ 12. ____ , 93 , ____ www.littleactivity.com Kindergarten · Math
