Word Problems
There are 23 students in Mr. Lee's class. Each student has a box containing 28 pastel crayons. Use rounding to estimate the total number of pastel crayons in Mr. Lees Class.
20 x 30 = 600 crayons
65 x 10
650
round 19 to the nearest ten
20
The pizza parlor uses 20 pieces of pepperoni on each large pizza. The pizza parlor made 60 large pizzas. How many pieces of pepperoni were used on large pizzas.
20 x 60 = 1,200 pieces of pepperoni
72 x ___ = 720
100
1,237 rounded to the nearest hundred
1,200
Joey's scout troop is building 14 birdhouses. Each birdhouse uses 30 nails. How many nails does the troop need in all?
14 x 30 = 420 nails
16 x 13 =
208
16,437 rounded to the nearest thousand
16,000
Mrs. Anders garden has 12 rows of blue flowers. Each row contains 16 blue flowers. Write and solve and equation to find the number of blue flowers in Mrs. Anders garden.
12 x 16 = 192 flowers
____ x 1000 = 15,000
15
127,243 rounded to the nearest ten thousand
130,000
Ivory makes $18 a day babysitting. How much money does Ivory earn if she works 20 days in 6 months?
18 x 20 = $360
25 x 76 =
1,900
1,346,123 rounded to the nearest hundred thousand
1,300,000