Rounding can be used to _________ sums, differences, products, and quotients.
estimate
3.7 x 4 =
14.8
24.3 ÷ 30 =
0.81
Round to the nearest tenth
1.35 ÷ 9
0.15 rounded to 0.2
A ribbon is 12.3 feet long. Another ribbon is 3.12 feet shorter than it. What is the total length of the two ribbons?
21.48 feet or ft
In 20 ÷ 5 = 4, 20 is the ________
dividend
6.08 x 9 =
54.72
1.6 ÷ 100 =
0.016
Round to the nearest tenth
4.1 ÷ 5 =
0.82 rounded to 0.8
0.475 meter or m
In 20 ÷ 5 = 4, 5 is the ________
divisor
8.562 x 20 =
171.24
59 ÷ 500 =
0.118
Round to the nearest tenth
4.15 + 5.38 =
9.53 rounded to 9.5
A 5th grade class painted pieces of cardboard for an art project. Each piece of cardboard had an area of 6.25 square inches. The students painted 200 pieces of cardboard each day.
a) What is the total area of cardboard that they have painted by the end of the third day?
3,750 square inches or sq. in.
2.156 x _____ =215.6
100
0.128 x 300 =
38.4
318 ÷ 3,000 =
0.106
Round to the nearest tenth
2.07 x 9 =
18.63 rounded to 18.6
A 5th grade class painted pieces of cardboard for an art project. Each piece of cardboard had an area of 6.25 square inches. The students painted 200 pieces of cardboard each day.
b) At the end of the 3rd day, the students glued together all their pieces of painted cardboard to form a large square mural. Then, they cut the mural into 40 strips of equal sizes so they could move the mural. What is the area of each smaller strip of cardboard? Express your answer as a decimal.
93.75 square inches or sq. in.
_______ ÷ 10 =67.05
670.5
8.712 x 9,000 =
78,408
22.18 ÷ 4 =
5.545
A pitcher contains 4.32 pints of lemon syrup. 12.6 pints of water are added to the syrup to make lemonade. How much lemonade is made?
What is the answer rounded to the nearest whole number?
*2 answers*
16.92 pints
rounded is 17 pints
Jodi bought 4 chairs at a cost of $32.95 for each chair. Estimate the least number of $20 bills she needs to buy the chairs.
She will need 7, $20 bills.