Estimation Station
Eight notebooks cost $4.32. Which is the best way to estimate the cost of one notebook?
B. $4.40 ÷ 8 = $0.55
Maya bought 4 jars of honey that weighed a total of 2.8 pounds. Each jar weighed the same. How many pounds were in each jar?
C. 0.7
6. Which equation is represented by the model?
*Pull picture up from saved PDF
C. 0.84 ÷ 4 = .21
A school received 1,008 pencils in 12 boxes. If no pencils were left over, how many pencils were in each box?
84 pencils were in each box
Elena wants to save $1,260 in 12 weeks.
How much must she save each week?
$105
Maria pays $732 for six months of piano lessons. She pays the same amount for lessons each month. Which of the following is the best estimate of the amount Maria pays each month?
A. $120 each month because Maria rounded $732 to $720 and divided by 6
Four friends paid $35.60 for lunch. How much did each person pay?
D. $8.90
4. What equation does this model represent?
*Pull picture up from saved PDF
11.1 ÷ 3 = 0.37
A baker is packing 312 muffins into boxes. Each box holds the same number of muffins. She has already filled 26 boxes and still has 120 muffins left to pack.
How many muffins go in each box?
12 muffins go in each box
A factory made 45 boxes of toy cars. Each box has 18 toy cars. The cars are repackaged into bags with 6 cars each.
Which equation can be used to find b, the number of bags?
45 × 18 ÷ 6 = b
45 × 18 ÷ 6 = b
11. A ribbon 0.36 meters long needs to be divided into 9 equal pieces. Which number line shows this correctly?
*Pull picture up from saved PDF
0.36 ÷ 9 = 0.04
Over the next three weeks, Sam has to read 630 pages. If he plans to read the same number of pages each day, how many pages will he read each day?
30 pages each day
A park is 24.5 acres of land. The park district divides the land into 35 equal sections. What is the size of each section?
B. 0.7 acres
13. Jacob and Jackson are trying to solve 7.48 ÷ 4 using models. Who is using the right model?
*Pull picture up from saved PDF
Jackson
A 75.6-pound bag of fertilizer is divided evenly into 18 smaller bags. What is the weight of fertilizer in each small bag?
4.2 pounds in each small bag
*THIS PROBLEM IS NOT ON THE REVIEW*
A company packs 480 backpacks into boxes.
Each box holds 12 backpacks.
The company then places all the boxes onto 8 delivery trucks, with each truck carrying the same number of boxes.
Which equation can be used to find t, the number of boxes on each truck?
480 ÷ 12 ÷ 8 = t