Estimate to the nearest ten.
54 + 26 → + =
75 - 29 → - =
Select the value for each coin.
Select the dot that best represents 405 on the number line.
Select the dot that best represents 4,923 on the number line below.
Solve
23 + 54 = 89 - 26 = 72 + 26 =
27 + 35 = 75 - 28 = 46 + 29 =