Solving exercise 1 on page 155 of Math 2 textbook
Exercise:
Writing (as per the example):
Solving exercise 2 on page 155 of Math 2 textbook
Exercise:
Write the numbers 271, 978, 835, 509 as per the example:
271 = 200 + 70 + 1
Answer:
271 = 200 + 70 + 1
978 = 900 + 70 + 8
835 = 800 + 30 + 5
509 = 500 + 9
Solving exercise 3 on page 155 of Math 2 textbook
Exercise:
What is each of the numbers 975, 731, 980, 505, 632, 842 written as a sum?
Solving exercise 4 on page 155 of Math 2 textbook
Exercise:
Arrange 4 triangles into a boat shape (see illustration):
The triangles can be arranged as follows:
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