Rounding to tens
A baby kangaroo weighs 73 pounds. A mother kangaroo weighs 168 pounds. Write 2 equations to estimate how much they could weigh together
70+170=240
70+200=270
534+367
901
A basketball player weighs 156 pounds. Another weighs 179 pounds. Write two equations that show a reasonable estimate for how much they weigh together.
160+180=340
200+200=400
897-348
549
Round 298 to the nearest hundred
What is 300
Round 993 to the nearest 10
990
A baby sloth weighs 32 pounds. A mother sloth weighs 126 pounds. Write 2 equations that show a reasonable estimate for how much they weigh together.
30+120=150
30+100=130
999-257
742
Round 137 to nearest ten
What is 140
Round 723 to the nearest hundred
What is 700
A baby elephant weighs 189 pounds. An older brother elephant weighs 883 pounds. Write 2 equations that show a reasonable estimate for how much they weigh together.
190+880=1,070
200+900=1,100
473+398
871
Round 398 to nearest ten
What is 400
Round 618 to the nearest hundred
What is 600
A basket of bricks weighs 452 pounds. A basket of feathers weighs 12 pounds. Write 2 equations for how much the baskets could weigh together.
450+10=460
500+10=510
863+137
1,000