Multiply by 1 digit
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Estimating
Word Problems
100

239 x 9

2,151

100

851 x 12

10,212

100

23 x 465

10,000

100

Jacob buys 4 houses and has to pay $235 in electric bills a month for each house.  About how much does he pay in electric each month? 

800

200

528 x 8

4,224
200

997 x 10

9,970

200

678 x 16

14,000

200

Atlas has 4 theaters with 125 seats in each theater. How many seats do they have in all?

500

300

291 x 9

2,619

300

782 x 23

17,986

300

901 x 15

18,000

300

Lorik made $24.77 one day at work. The next day he made $13.96. How much money does Lorik have in total? 

Lorik made $38.73. 

400

987 x 7

6,909

400

852 x 13

11,076

400

33 x 110

3,000

400

Michael was given $50.00 from his mother. He decided to go shopping and buy a basketball for $17.70 and a skateboard for $29.99. 

How much change did Michael get back? 

Michael got back $2.31. 

500

809 x 9

7,281

500

701 x 65

45,565

500

78 x 965

80,000

500

Sophia and her sister are arguing. Sophia told her sister she did one of her math problems wrong. Sophia's sister said 22.7 + 0.33 = 23.00 

What did she do wrong? What is the correct answer? 

She either did not line up or decimals 

Added 0 + 3 wrong

Correct answer should be 23.03