60×9=____

600+38=____

36÷4=____

90+420=____

325+475=____

98-15=____

72÷8=____

45÷9=____

16×7=____

0+15=____

150×0=____

92-9=____

320-207=____

129+350=____

200-170=____

400×5=____

900-750=____

7×700=____

3×222=____

5×9+6=____

22×6 ≈____

302×9 ≈____

298×3 ≈____

29×8 ≈____

508-397 ≈____

$\frac{1}{8}+\frac{5}{8}=$ ____

$\frac{5}{9}-\frac{2}{9}=$ ____

$\frac{3}{4}+\frac{1}{4}=$ ____

$1-\frac{5}{6}=$ ____

$\frac{2}{5}+\frac{4}{5}=$ ____