Find the sum.
43,502 + 54,320
Solve.
654 × 4
Estimate the sum of 78 and 94 to the nearest 10.
180
160
190
170
Fill in the missing multiples for 3.
3 , , , 12, , , 21, , , 30
Fill in the missing multiples for 9.
9, , , 36, , 54, , , , 90