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4X1 digit
2x2 digit
3x2 digit
Estimating Products
Word Problems
100
9856 x 4
What is 39,424
100
13x34
What is 408
100
567x34
What is 19,278
100
Estimate the following problem. THEN find the real answer and decide if the estimate is reasonable 64x56
What is 60x60=3600 64x56=4224 reasonable
100
There are 18 children in the classroom, each student will get 43 pencils. How many pencils will the teacher have to give out ?
What is 18x43=774 pencils
200
8334x6
What is 50,004
200
37x45
What is 1,665
200
665x87
What is 57,855
200
Estimate the following problem. THEN find the real answer and decide if the estimate is reasonable 90x57
What is estimate: 90x60= 5400 answer: 5130 reasonable
200
Benny has saved 48 quarters (25 cents each) from washing cars. How many cents does Benny have ?
What is 48x25= 1200 cents
300
8239x8
What is 65,912
300
65x88
What is 5,720
300
709x66
What is 46,794
300
Estimate the following problem. THEN find the real answer and decide if the estimate is reasonable 33x95
What is estimate: 30x100= 3000 answer: 3135 reasonable
300
Jason, Fred, Joan, and Jessica each have 22 Pokemon cards. Fred has 21 baseball cards. How many Pokemon cards do they have in all ?
What is 22x4= 88 Pokemon cards
400
8865x7
What is 62,055
400
78x88
What is 6,864
400
587x16
What is 9,392
400
Estimate the following problem. THEN find the real answer and decide if the estimate is reasonable 93x38
What is estimate: 90x40= 3600 answer: 3534 answer is reasonable
400
There are 36 calories in a candy bar. How many calories are there in 15 candy bars ?
What is 36x15= 540 calories
500
5589x8
What is 44,712
500
96x77
What is 7,392
500
706x45
What is 31,770
500
Estimate the following problem. THEN find the real answer and decide if the estimate is reasonable 46x57
What is estimate: 50x60= 3000 answer: 2622 answer is reasonable
500
Alyssa has 44 red marbles and 49 violet marbles. Nancy has 6 times more red marbles than Alyssa. How many red marbles does Nancy have ?
What is 44x6=264 red marbles