Name: Sharhera Nastazia
Date: Monday 4 March 2019
Title: solving addition and subtraction using the most efficient strategy
Camille and her family sell strawberry jam and blueberry jam at the farmers' market every Saturday. So far this year, they have sold a total of 968 jars of jam. If they have sold 466 jars of blueberry jam, how many jars of strawberry jam have they sold? 968 - 466? 900 - 400=500 68-66=2 (500+2=502)
It is well known that Jeffrey won an award for his 144 popular songs. What is less well known, however, is that he wrote a total of 849 songs in his career. How many songs did Jeffrey write that were not popular?
When Josh went to bed, there were 335 gulls on the lake. That night, a flock of 73 geese joined them. How many birds were on the lake when Josh woke up? 335 + 73=? (335 + 73=408)
Laverne biked 1.3 kilometres on Thursday and 9.9 kilometres on Friday. How far did Laverne bike in all on Thursday and Friday? 11.2 Kilometres
Dora got $325 from her father and $289 from her mother. How much money does she have now? 325 + 289? (325 + 289=114) 114
In a grand musical show, 1201 men and 1389 women participated. What is the total number of participants? 1201 + 1389? (1000 + 1000= 2000) 201 + 389=590) 590
Kristine and her friends are raising money for charity. They hope to raise $900 to reach their goal. So far, they have $780. Hoaw much more do they need to collect in order to reach their goal? 780 + ?=900 (780 + 120=900) 120
Ryan, Dominic, and Brittney were collecting acorns. Ryan gathered 109 in his bag. Dominic collected 87 in his bag. Brittney picked up 132 acorns. At the end of the day, they put all the acorns into a cardboard box. How many acorns were in the box? 132 + 109=241 (241 + 87=328) 328
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