Maths practice for 12-year-olds - page 80 of 348

Number of problems found: 6960

Brown or black
Max has 13 pairs of socks. From this, six pairs are blue, three pairs are brown, two are black, and two are white. What fraction of Max's socks are either brown or black?
Unload truck
Andy has just moved and is beginning to unload his boxes. The truck is currently 11/12 of the way full. He unloads 1/4 more of it. How much more does he have to unload?
Sidewalk
Casey has 5/6 left of a section of sidewalk to clean. If he can clean 5/18 of a section in 1 minute, how long will it take him to clean what is left?
Three pieces
Three pieces of lace measure 1/7 meter, 5/14 meter, and 3/7. How long are the pieces of lace together?
Three cakes
There are three cakes an ice cream cake, chocolate, and a sponge cake. We ate 3/4 of the ice cream cake. We cut the chocolate cake into twelve equal pieces, of which We ate nine. The sponge cake was divided into eight equal pieces, with only one remaining
Jack had
Jack had 4 hours of school. He spent 45 minutes in the library, 1/2 hour on a science lecture, and 25 minutes on a lunch break. How much time is left for the school to get over? (Write the answer as a fraction.)
From least to greatest
Which set of rational numbers is arranged from least to greatest? A) -3.5, negative 1 over 4, 2, 1 over 3 B) -3.5, negative 1 over 4, 1 over 3, 2 C) 2, 1 over 3, negative 1 over 4, -3.5 D) negative 1 over 4, 1 over 3, 2, -3.5
A rope cut
From a rope of 200 m, pieces of equal sizes are cut. If each part is ¼ m, find the number of pieces.
Din has
Din has 15 3/4 kg of nuts. Suppose you sell the nuts for P40.00 for every 1/4 kg. How much is the total cost of the nuts?
Marry
Marry had 1 1/2 dozen eggs in the refrigerator. She used 1/3 of the eggs. What part of the eggs was used?
Observation 76644
From the smaller observation tower, we see the top of the larger tower at an elevation angle of 23°, and the difference in their heights is 12 m. How far apart are the observation towers?
The ribbon
Marcel has 12 ⅝ meters of ribbon. She gave 5 ⅛ meters to Ann and 4 ⅜ meters to Bet. How many meters of ribbon was left to her?
Evaluate 27
Evaluate the expression shown below and write your answer as a fraction in the simplest form. (8)/(3)+ (11)/(12)
A carpenter
A carpenter had a 10-meter piece of lumber from which he cut into two pieces. One of those pieces was 5 2/3 meters long. How long was the piece that remained?
The classroom 3
The classroom needs a new floor. Its dimensions are 34 1/2 feet by 36 1/2 feet. Find the area of the classroom. SIMPLIFY.
Eddie
Eddie and Fran are scuba diving. Eddie is 35 meters below the surface of the water, and Fran is 8 meters directly above him. The following equation describes this situation: -35 + 8 = -27 What does -27 tell us? Choose one answer: ...
Fruits 7
Bianca bought 3 1/4 kilograms of fruits. This morning, her brother used 1 3/4 kilograms of the fruits for a shake. How many kilograms of fruits were left?
A pack 2
A pack of all-purpose flour weighs 4 1/4 kilograms. Grace uses 1 1/2 packs of flour for baking a cake and 1 2/3 bags of flour for bread. How many kilograms did she use?
A sand
A sand timer has 5 5/16 ounces of sand. If the sand falls at a rate of 2.5 ounces per minute, how many minutes will the timer last? Write your answer as a fraction.
The cost 7
The cost of a pen is Rs. 20/3, and that of a pencil is 25/6. Which costs more and by how much?

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