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Math Grade 4. Mrs. Ennis Fractions with 10 and 100 as Denominators Lesson Twenty-Five. 7220 + 867 = M $1100 – G = $500 25 ÷ 5 = 5 x H x 8 = 80 27 ÷ L = 9. Name the two lines which are parallel, and two that are intersecting. 7. You need half a pound of cheese to make
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MathGrade 4 Mrs. Ennis Fractions with 10 and 100 as Denominators Lesson Twenty-Five
7220 + 867 = M $1100 – G = $500 25 ÷ 5 = 5 x H x 8 = 80 27 ÷ L = 9
Name the two lines which are parallel, and two that are intersecting. 7. You need half a pound of cheese to make macaroni and cheese. Will an 8 ounce package be enough?
8. Is 3600 the same as 36 tens? Rachel paid for a puzzle with a ten dollar bill. She received $3.29 in change. How much did the puzzle cost? Leo gave each of his eight friends three bouncy balls. Four of the balls were blue. How many were not blue?
Look at the following models. What do you notice? 30 100 3 10 is equal to
Look at the following models. What do you notice? 20 100 2 10 is equal to
Look at the following models. What do you notice? 50 100 5 10 is equal to
Look at the following models. What do you notice? 80 100 8 10 is equal to
Look at the following models. What do you notice? 10 100 1 10 is equal to
How can we use this to help us add and subtract fractions? 33 100 43 100 = + is equal to 10 100 1 10 1 10
Try this one… 35 100 95 100 = + is equal to 60 100 6 10 6 10
Try this one… 12 100 92 100 = + is equal to 80 100 8 10 8 10
Try this one… 31 100 81 100 = + is equal to 50 100 5 10 5 10
Try this one… 1 100 91 100 = + is equal to 90 100 9 10 9 10
Try this one… _ 15 100 75 100 = is equal to 90 100 9 10 9 10
Try this one… _ 47 100 23 100 = is equal to 70 100 7 10 7 10
Try this one… _ 24 100 56 100 = is equal to 80 100 8 10 8 10
Try this one… _ 18 100 12 100 = is equal to 30 100 3 10 3 10
77 6 95 35 6 + = 10 100 100 10 100 17 + = 100
83 3 91 81 1 + = 10 100 100 10 100 53 + = 100
37 9 25 75 - 5 = 10 100 100 10 100 - 53 = 100
18 3 22 42 - 2 = 10 100 100 10 100 - 12 = 100
Online Practice http://www.funbrain.com/fract/index.htmlhttp://www.funbrain.com/fract/index.html http://www.visualfractions.com/GrampStrict/findgrampystrict.html
Math Fun: Tom is selling necklaces, bracelets, and rings. He counted the necklaces and found that there were 6 short of 5 dozen. There were 30 more rings than necklaces and a dozen fewer bracelets than rings. When packed in boxes holding 6 items per box, how many boxes of each item did they have?
Answer: Necklaces: 9 boxes Rings: 14 boxes Bracelets: 12 boxes
Resources: http://mathlearnnc.sharpschool.com/UserFiles/Servers/Server_4507209/File/Instructional%20Resources/G4WW1-4.pdf • http://www.eduplace.com/kids/mhm/brain/gr4/ch05/bt_04_05_q.html • http://www.superteacherworksheets.com/decimals/decimal-tenths-squares.pdf • http://www.harcourtschool.com/activity/elab2004/gr5/11.ht • http://www.visualfractions.com/GrampStrict/findgrampystrict.html