Use mental math and your knowledge of the distributive and associative properties of multiplication to solve.
30 x 500 =
(Type the answer only. Do NOT re-type the question)
700 x 400 =
60 x 500 =
4,000 x 90 =
130 x 300 =
4,300 x 40 =
2,600 x 50 =
70 x 320 =
Round the factors to find the closest estimate.
4,897 x 77
Round the factors to find the closest estimate.
6,840 x 35
The estimated answer to a multiplication problem is 800,000. Which of the following expressions could result in this answer?
Round the factors and estimate the product:
9,832 x 39
For which expression would 300,000 be a reasonable estimate?
Round each factor, then find the estimated product.
582 x 23 ≈ ____________ x _______________ = _______________
Drag and drop from left to right to show your answers.
You will only use three of the answer choices on the left.
500
600
20
30
10,000
12,000
18,000
Drag and drop correct choice to round 582 here:
Drag and drop correct choice to round 23 here:
A reasonable estimate for 582 x 23 =
Tickets to a concert are $30 for adults and $20 for children. There are 50 adults and 80 children attending the concert. How much money will they all pay? Show your work.