Comparing - practice for 12 year olds - page 9 of 12
Number of problems found: 221
- Three-quarters 11361
Which is more than two-thirds of the 99 or three-quarters of the 80? - Rectangular 10971
Mr. Novotny's rectangular garden measures 35m and 27m. Mr. Sovák's square is 29 m long. Who uses more netting to fence their garden, and how much? - Four-digit 10261
Roman likes magic and math. Last time he conjured three- or four-digit numbers like this: • created two new numbers from the given number by dividing it between digits in the place of hundreds and tens (e.g., from the number 581, he would get 5 and 81), • - Turtles 2
A box turtle hibernates in the sand at 11 5/8 ft. A spotted turtle hibernates at 11 16/25 feet. Which turtle is deeper? Write the answer as number 1 or 2.
- Complied 8661
Police found that the car had traveled 300m in 20 seconds. He complied with the driver's maximum allowed speed of 50 km/h - Fractions 8348
Find at least one fraction lying between fractions 3/7 and 4/7, and find at least one fraction lying between fractions 3/2 and 5/3 - A sculptor
A sculptor is duplicating a statue based on an original statue. If the scale factor of the replication is 3.2, will the new statue be larger or smaller than the original statue (enter 1 = larger, 0= smaller) - Equivalent fractions
Are these two fractions -4/9 and 11/15 equivalent? - Relative 8009
Sketch the relative position of the circles k1 (S1, r1 = 5cm) and k2 (S2, r2 = 3cm) and k / S1S2 / = 0 cm and give its name.
- Contain 7986
The pool is 30 m long, 12 m wide, and 2 m deep. Can it contain 7,000 hl of water? If so, what is the level? If not, how much extra water is there? - Sum of dividend
Suppose X is divided separately 2.63 and 1.40. And the results of the individual divisions are added to give a result less than X. What is X? - Bequeathed 7803
The father bequeathed to his two sons 4 gold plates in the shape of a square, which were 1 mm thick. The side lengths of these plates were 5 cm, 10 cm, 10 cm, and 15 cm. The sons were to receive the same amount of gold. How many gold plates did each son r - Aquarium
Can 30 liters of water fit in a cuboid aquarium with dimensions a = 3dm b = 6dm c = 5dm? - Performance 7682
They produced 8,892 cans in the production hall. Their performance is in the ratio 11:12:13. Which workshop was the hardest, and how many cans did it make?
- Material 7608
The inner radius of the oven is r1 = 15cm the outer radius r2 = 20cm, the length of the oven is = 227cm. Can one person take it if it has a material density of 2.8 g / cm cubic? - Milo lifted
Milo lifted 65 lb 6 times, and Jeremy lifted 50 lb 9 times. Which one lifted the most weight? - Without 2
Without multiplying, tell whether the product 0.644 x 0.25 will be greater than one or less than 1. Explain how you know. Then find the product. - Equivalent expressions
A coach took his team out for pizza after their last game. There were 14 players, so they had to sit in smaller groups at different tables. Six players sat at one table and got four small pizzas to share equally. The other players sat at a different table - Volumes 7252
The block and the cube have the same volumes of 512 cm3, and the block has edge lengths of b = 6.4 cm and c = 10 cm. Can a cube and a block have the same edge length?
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