Basic Fundamentals

Solve these problems to test your skills!

1) Solve
Round 356 to nearest 100
2) Solve
200 + 10 + ? = 215
3) Solve
Round 962 to nearest 10
4) Solve
Round 439 to nearest 100
5) Solve
? + 20 + 9 = 129
6) Solve
100 + 50 + ? = 154
7) Solve
600 + 70 + ? = 672
8) Solve
Round 736 to nearest 10
9) Solve
700 + ? + 2 = 742
10) Solve
600 + ? + 7 = 647
11) Solve
? + 10 + 5 = 415
12) Solve
Round 438 to nearest 10
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