Excellent Estimates
What is another word for estimate?
Round
Using an area model, solve the problem: 346 x 74 = ?
25,604
Calculate 765 x 25.
19,125
What is the product? 573 x 63. Pick any strategy.
36,099
What is the most reasonable estimate for 68 x 221?
70 x 200 = 14,000
Using an area model or partial products, solve the problem: 538 x 64 = ?
34,432
What exponential form completes the equation?
82 x ___ = 820,000
104
Is this product correct? 178 x 4 = 482 If not, what is the correct product?
No, the product is 712.
A rectangular field measures 416 feet long and 52 feet wide. About how much is the area of the field? What equation did you use to find your answer?
397 x 6 is equal to what?
2,382
What is equivalent to 67 x 105?
6,700,000 or
67 x 10 x 10 x 10 x 10 x 10
Is this product correct? 513 x 5=25,515 If not, what is the correct product?
Yes, the product is correct.
Estimate the product: Amber has a frame that measures 42 inches long, and 28 inches wide. About how much space does the frame cover on the wall?
The frame covers about 120 square inches.
928 x 28 =
25,984
Is this question true or false? You must solve before answering.
348 x 78 = 27,144
True
Solve 789 x 9.
The product is 7,101
Estimate the product: 573 x 63
600 x 60 = 36,000
513 x 5 is equal to what?
2,565
Estimate the answer for the equation, and then solve.
624 x 19
624 x 19 = 11,856
Using any strategy, solve 289 x 7.
The product is 2,023.