Vocabulary
If you do not need an exact answer, you can ______________.
Estimate and add:
Hundreds - 5,149 + 621 =
What is 5,700?
89 + 56 =
What is 145?
89 -54 =
What is 35?
Students collect empty water bottles to recycle. they collected 357 in September, 243 in October, and 468 in November. How many did the students collect in all?
What is 1,068?
__________________ tells us that the sum of any number and 0 is the number.
What is the identity property?
Estimate and subtract
Tens - 89 - 24 =
What is 70?
159 + 384 =
What is 543?
652 - 281 =
What is 371?
Carly's parents own a motel in Orlando with 244 rooms. Last night, 176 rooms were rented. How many rooms were not rented?
What is 48?
The number sentence (2+3)+8=(8+2)+3 represents the ___________________.
What is the associative property?
Estimate and add:
Thousands - 1,258,478 + 897,123 =
What is 2,155,000?
8,514 + 6,729 =
What is 15,243?
5,236 - 4,871 =
What is 365?
A manufacturer in Detroit produces cars 3 cars that weigh 6,127 pounds, 4,652 pounds, and 3,393 pounds. What is the total weight of the two heaviest cars?
What is 10,779?
The number sentence 3+7=7+3 represents the _______________________.
What is the commutative property?
Estimate and subtract
Hundred Thousands - 952,745 - 451,100 =
What is 500,000
46,912 + 85,412 =
What is 132,324?
91,121 - 85,972 =
What is 5,149?
Nevada has a land area of 109,781 square miles. Colorado has a land area of 103,642 square miles. How much larger is Nevada than Colorado?
What is 6,139?
The answer to an addition problem and the answer to a subtraction problem is called...
What is sum and difference?
Estimate and add:
Ten Thousands - 7,894,526 + 544,639 =
What is 8,430,000?
4,562,123 + 854,791 =
What is 5,416,914?
100,000 - 85,764 =
What is 14,236?
Erica's calss collected 4,219 bottles for the recycling center. Ana's class collected 3,742 bottles. Leon's class collected 4,436 bottles. How many did all three classes collect?
What is 12,397?