Problem Solving Summer Course July 2011 Summer Course
Problem Solving Summer Course July 2011
Summer Course July 2011
What is a problem? Summer Course July 2011
Why teach problem solving? Summer Course July 2011
Excellent handout on Problem Solving Ideas – PPDS website Summer Course July 2011
Summer Course July 2011
Summer Course July 2011
24 Game • • Insert +, -, x or / to make the following = 24 7 9 5 8 3 2 2 6 4 5 6 9 3 5 7 6 5 7 7 6 2 6 5 5 Summer Course July 2011
6 Circles (Levels 5 & 6) Summer Course July 2011
Summer Course July 2011
Summer Course July 2011
Word Problems Summer Course July 2011
Mathematical Language Summer Course July 2011
Language & Number Operations Summer Course July 2011
Language & Number Operations Summer Course July 2011
Strategies Summer Course July 2011
Summer Course July 2011
Summer Course July 2011
Summer Course July 2011
Summer Course July 2011
ROSE • Read • Organise • Solve • Evaluate Summer Course July 2011
Summer Course July 2011
Use of the Calculator Summer Course July 2011
Summer Course July 2011
Summer Course July 2011
Problem Solving with Calculators Show you would change these displays: • • • 2300 to 23 453 to 403 550 to 352 1010 to 5050 27 to 997 3500 to 70 • • • 100 to 2500 550 to 275 673 to 376 305 to 530 230 to 203 7500 to 75 Summer Course July 2011
Activities Wipe Out! • Type 35 • Wipe out the 5 • Type 35 again • Now wipe out the 3 Target • You can only use the four keys 2, 3, x, + to reach targets of 6, 8, 9, 16, 18, 36, 54. Summer Course July 2011
The Broken Key • We have to do the following sum but the number 9 key is broken. How can it be worked out? List the possibilities. 85 + 97 Zap the Digit • A digit is zapped when it is reduced to 0. • You have to zap a 3 digit number in 3 inputs, a 4 digit number in 4 inputs • Type 185 – zap 8 / zap 1 / zap 5 http: //www. amblesideprimary. com/ambleweb/mentalmaths/Big. Calculator. html Summer Course July 2011
Further activities http: //jenny. myzen. co. uk/calcs. htm Summer Course July 2011
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