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3-28 Using Friendly Numbers to Add

Last updated over 3 years ago

3 questions

3 points

3

Question 1

1.

A.  34

B. 40

C. 33

D. 30

3 points

3

Question 2

2.

A.  245

B.  251

C. 218

D. 200

4 points

4

Question 3

3.

A.  250 + 40 = 290

B.  243 + 30 = 273

C.  245 + 40 = 285

D.  250 + 30 = 280