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Inside Collection (Course): Mathematics Grade 6
1.1 True
1.2 True
1.3 True
2.1 2 236 994
2.2 1 198 235 + 469 203
2.3 264 059 = 1 269 055
1. Do you still remember this? In grade 5 (Module 1) we looked at the properties of addition. Now you must use this knowledge!
Work with one of your friends and decide whether the following are true or false. You may use your pocket calculator:
1.1 2 623 896 + 2 346 213 = 2 346 213 + 2 623 896
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1.2 54 236 + (28 912 + 46 852) = (54 236 + 28 912) + 46 852
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1.3 (128 435 + 239 416) + 1 379 538 = 128 435 + (239 416 + 1 379 538)
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2. Complete the following without a calculator by filling in the missing numbers:
2.1 456 213 + = 2 236 994 + 456 213
2.2 1 198 235 + (469 203 + 2 069 523) = (____________ + ____________)
+ 2 069 523
2.3 (264 059 + 3 016 438) + 1 269 055 = ____________ + (3 016 438 + ____________)
Learning Outcome 1:The learner will be able to recognise, describe and represent numbers and their relationships, and to count, estimate, calculate and check with competence and confidence in solving problems.
Assessment Standard 1.12: We know this when the learner recognises, describes and uses:
1.12.2: the commutative, associative and distributive properties with whole numbers (the expectation is that learners should be able to use the properties and not necessarily know the names).
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Last edited by Siyavula Uploaders on Mar 10, 2009 4:45 am -0500.