Working with addition How will you complete these additions? What number facts and methods will you use? Will the answers be odd or even numbers? 45 + 99 325 + 70 85 + 19 63 + 64 80 + 120 Use reasoning and estimates to help sort these additions. Do not calculate. 235 + 288 438 + 362 365 + 11 250 + 251 403 + 87 370 + 155 248 + 249 179 + 421 128 + 237 300 + 400 Additions can go under more than one heading. Total will be less than 500 Total will be more than 500
Total will have 5 ones
Total will be a multiple of 100
1 The addition 485 + 143 is represented here. Look at what happens when the 8 tens and 4 tens are added.
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04/05/2022 15:50
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