Math Enrichment Problems: June 2019

Math Enrichment Problems Grades 2/3
Math Enrichment Problems Grades 2/3

Welcome to the 7th month of threeringsconnections.orgMonthly Math Enrichment Problems post, Each month I post some Math Enrichment problems for grades 2-3.  I hope you will find them useful with your students in class or your kids at home.

Don’t forget to use 1 of your 6 problem solving strategies

  • Draw a picture
  • Guess and Check
  • Use a table or list
  • Find a pattern
  • Logical reasoning
  • Draw a picture Working backwards (try a simpler version first)

Problem Solving – Here we go! 

  1. October has 31 days.  The 15th of the month is on a Wednesday. Which of the following days of the week will appear 5 times this month? a. Friday          b. Saturday c. Sunday   d. Monday       e. Tuesday
  2. Marie only has 3 cents and 5 cents stamps. If she needs 10 cent postage, she can use two 5 cent stamps. If she needs 11 cents postage, she can use two 3 cents stamps and one 5 cent stamp.  What postage between 5 cents and 20 cents can she not make?
  3. Some numbers on a digital clock read the same backwards as they do forwards.  For example: 5:06, 12:21, 11/11.  How many students are there that do that on a digital clock from 1P.M. to 2 P.M?   (Numbers or words that are read the same backwards as forwards are called palindromes.
  4. Fifty-one bags of sugar had to be put into bags. Some are 4-pound bags, and some are 5-pound bags.  The least number of full bags necessary to hold all 51 pounds of sugar is?
  5. There are 9 equal stacks of books. One class takes 4 stacks and another class takes 5 stacks.  The class that has 4 stacks has 28 books altogether.  How many books does the other class have altogether?
  6. Nicole has a clock that chimes.  At a quarter past the hour it chimes once. At half-past the hour it chimes twice.  At three-fourths past the hour it chimes three times and at each new hour it chimes that number of times. How many chimes will Nicole hear from five minutes to three until five minutes after 4?
  7. IF 15 + A = 21, how much is 15 – A?

Answers:

  1. (a) Friday Because the 1st, 8th, 15th, 22nd, 29th will be on a Wednesday.  There will be 5 Fridays that month (the 3rd, 10th, 17th, 24th, 31st).
  2. (7 cents) She can make 8 cents, 9 cents and 10 cents.  Once she can make three in a ow, the next 3 amounts (11 cents, 12 cents, 13 cents) are made by adding a 3-cent stamp.  She can make any amount of postage greater than 7 cents.
  3. To get to the least number of bags you use as many 4-pound bags as possible up to 51.  (12 X 4 = 48) and one 3-pound bag to get to a total of 51.  Answer: Least number of bags is 13 (12 +1)
  4. There are 9 equal stacks of books. One class takes 4 stacks and another class takes 5 stacks.  The class that has 4 stacks has 28 books altogether.  How many books does the other class have altogether?
  5. IF 28 books means each stack has 7 books (4 X 7).  Then 5 stacks would also have 7 books each for a total of 35 books.
  6. (13) She hears the following # of chimes:  3:00(3), 3:15(1),3:30 (2),3:45 (3) 4:00(4)  
  7. (9) A must be 6 so that 15 +A (6) = 21.  SO, 15 – 6 = (9) 

Don’t forget to check in NEXT MONTH for more Enrichment Problems 

Isn’t education ALL about reaching the kids?

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