Vocabulary
The amount left over when a number cannot be divided equally
Remainder
528 / 6 =
88
560 / 100 =
5.60
28.9 / 9 =
27 / 9 = 3
A cafe uses 18.5 cups of flower to make 100 servings of pancakes. How many cups of flour are in one serving of pancakes?
0.185 cup
A number close to an exact amount
Estimate
208 / 17 =
12
8,500 / 100,00 =
0.085
Estimate: $144.15 / 31 =
$150 / 30 = $5
5 seats
The answer to a division problem is called the ______.
Quotient
835 / 64 =
13
456 / 10^0 =
456
Estimate: 410.5 / 18 =
400 / 20 = 20
Terry bicycled 64.8 miles in 7 hours. What is the best estimate of the average number of miles she bicycled each hour?
about 9 miles
A symbol used to separate the ones places from the tenths place in decimal numbers.
Decimal point
4,592 / 41 =
112
50.2 / 10^2 =
0.502
3.2 / 5 =
30 tenths / 5 = 0.6
Marianne spends $9.45 on 5 greeting cards. Each card costs the same amount. What is the cost of one greeting card?
$1.89
Number that are easy to add, subtract, multiply, or divide mentally.
Compatible numbers
8,825 / 667 =
13
800 / 0.01 =
80,000
Estimate: 32.4 / 52 =
300tenths / 50 = 0.6
At the bank, Brent exchanges $50 in bills for 50 one-dollar coins. The total mass of the coins is 405 grams. Estimate the mass of 1 one-dollar coin.
8 grams