Buzz
Solve exercise 1 on page 158 of Math 2 textbook
Exercise:
Calculate:
Answer:
Solve exercise 2 on page 158 of Math 2 textbook
Exercise:
Set up and calculate:
548 - 312 ; 732 - 201 ; 592 - 222 ; 395 - 23
Answer:
Solve exercise 3 on page 158 of Math 2 textbook
Exercise:
Mental Calculation (following the pattern):
a) 500 - 200 = 300 700 - 300 = 900 - 300 =
600 - 100 = 600 - 400 = 800 - 500 =
b) 1000 - 200 = 800 1000 - 400 = 1000 - 500 =
Answer:
a)
500 - 200 = 300 700 - 300 = 400
600 - 100 = 500 600 - 400 = 200
900 - 300 = 600 800 - 500 = 300
b)
1000 - 200 = 800 1000 - 400 = 600
1000 - 500 = 500
Solving exercise 4 on page 158 of Math 2 textbook
Exercise:
A flock of ducks has 183 ducks, and the number of chickens is 121 less than the number of ducks. How many chickens are there?
Answer:
The total number of chickens is:
183 - 121 = 62 (chickens)
Answer: 62 chickens.
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