For 10 years old young
1st Bimester - THE SET OF THE NATURAL NUMBERS
- Enumerating the elements, give the set of the natural numbers lower than 6.
- Write the set A disposing the numbers in crescent order:
A={7, 18, 5, 3, 125, 80}
- Write by extense, i. e., using words, the number 300745.
- Write the number: 4 thousands 5 hundreds 9 tens and 6 unities.
- Give the order of the cipher 3 in the number 43641982.
2nd Bimester - OPERATIONS, SENTENCES, PRIME NUMBERS
- Solve the arythmetic expressions:
a) 56431 - 9137
b) 37 - [21 - (14 + 5 - 8)]
c) 7 + [20 - (12 - 6)] + [(10 - 4) - 3]
d) 11 + [15:3 + 4 - 3x(10 - 8)] - 56:7
e) 4x(20-17) - [31 - 2x(20 - 16:2)]
- Complete:
a) 7x(2 + n) = 7x2 + ...xn = ... + 7n (............... property)
b) 15x(2x6) = (15x2)x6 = 30x... = ... (............... property)
c) 28x1 = 1x... = 28 (Property of the ........... element of the multiplication)
d) 17x3 = 3x... = ... (............... property)
- Complete, for solving the sentences:
a) n - 5 = 13 � n = 13 + 5 � n = ...
b) 7xt = 63 � t = 63:... � t = ...
- Complete:
a) 15 is divisible by ..., ..., ... and ...
b) A number is divisible by 3 if the ......... of its ciphers is also multiple of 3.
c) A prime number has exactly ... distinct natural divisors.
- Achieve:
a) The highest common factor (HCF) among 21 and 49.
b) The lowest common multiple (LCM) among 6, 8 and 9.
3rd Bimester - THE RATIONAL NUMBERS, PERCENTAGE
- Identify as proper (P), unproper (U) or apparent (A) fractions:
a) 5/3 (...)
b) 3/5 (...)
c) 8/4 (...)
d) 1/2 (...)
e) 9/10 (...)
- Complete:
a) 1/2 = 3/...
b) 17/5 = 3.../5
c) 2/8 = .../4
d) 1/3 = .../6 = .../9
- Obtain the value of the expressions:
a) 2/3 + 4/5
b) 2/5x1/3 + 2/3x1/4
c) 3/7:2/5
d) 1/3 + 7:(4/5)
- Effectuate:
a) 12.25x8
b) 2.57x.321
c) 5.6:.7
- Complete:
a) 28% of 200 persons is .28x200 = ...
b) 30% of 60 m is .30x... m = ... m
c) increasing 22% in $ 400 is to write:
$ (100% + 22%)x400 = $ (1 + .22)x400 = $ 1.22x... = $ ......
d) increasing 15% in 200 kg is to write:
(...% + 15%)x200 kg = (1 + ...)x200 kg = ...x... kg = ...... kg
4th Bimester - GEOMETRY: ANGLES, POLYGONS, MEASURES, AREAS
- A drop of ink at the paper, a stretched wire and a floor of the class form the idea of a ........., a ........ and a ........
- Write the name of the polygon with:
a) 3 sides.
b) 4 sides.
c) 8 sides.
d) 10 sides.
- Five amended segments have measures of 30 cm, 15 cm, .2 m, 8 mm and .254 m. How many centimeters there are in the total?
- Obtain the area of:
a) a square with side measuring 6 m.
b) a triangle with basis 8 cm and height 7 cm.
c) a paralelogram with basis 9 m and height 7 m.
d) a trapeze with greatest basis 12 cm, lowest basis 10 cm and height 5 cm.
- Achieve the volume of a rectangle parallelepiped with lenght 14 cm, width 11 cm and height 8 cm.
Click for Answers
Value of each question: 2.0
Ranking: 0 - 1.9: bad; 2.0 - 4.4: slow; 4.5 - 6.4: mean; 6.5 - 8.9: prepared; 9.0 - 10.0: scientist.
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