# Mrs. Santucci, MHRD STARTER: If you get 31 out of 40 points on a test, what percent of the problems did you answer correctly?

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Mrs. Santucci, MHRD STARTER: If you get 31 out of 40 points on a test, what percent of the problems did you answer correctly?

Mrs. Santucci, MHRD Review: To convert a fraction to a decimal… Divide Ex: Convert ¾ 1 / 5 ½ 70 / 100 24 / 132

Mrs. Santucci, MHRD More review: To convert a decimal to a percent… Multiply by 100 OR Move the decimal 2 places Ex: Convert 0.75 0.5 0.32 0.07 0.0035 "0 so to Rt. 0..75×10075 err.. 75% '32. '"""'is"...,.=............

Mrs. Santucci, MHRD So who uses this anyway? …Take one guess…

Mrs. Santucci, MHRD Fun with Baseball Stats

Mrs. Santucci, MHRD Find the ratio of hits to at bats and round to 3 decimal places.

Mrs. Santucci, MHRD Sample Card: find

Mrs. Santucci, MHRD http://www.baseball-reference.com/m/morgajo02.shtml Step 1: Get AB, H, 2B, 3B, HR for your player… Copy each in the numerator of your Player Stat Card

Mrs. Santucci, MHRD Step 2: Calculate each fraction Convert to decimal Write decimal as a 2-digit number over 100 The numerator (your 2-digit number) is the number of squares Step 3:Fill in your game card

Mrs. Santucci, MHRD STEP 4: PLAY BALL! b Choose teams and put batting order on the board. b Each team gets 3 outs per inning. I will keep score on the board. b Spin spinner twice. 1 st spin on horizontal axis 2 nd spin on vertical axis. Advance as per last spin. For simplicity sake, all base-runners advance the number of bases as batter has hit. EX: runner on 2 nd, batter hits a double or triple, runner scores.EX: runner on 2 nd, batter hits a double or triple, runner scores.

Mrs. Santucci, MHRD What did the ball game have to do with probability? http://www.mathgoodies.com/lessons/vol6/intro_probability.html

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