Hello everyone!
Excuse my absence but I've been very busy with school and I could not update my blog .. but here's a test you .. x!
1 The numbering system is decimal positional
associated
merged
polynomial
2 The symbols used in decimal number system are
2 9 10
infinite
3 In the natural numbers there is no previous 0
True False
4 Write in figures the number diecimilionisessantamilaventisei
without the points of separation of thousands
5 Which of the following order relations are correct?
<100<1000
10 101 1 <100<10
<101<1010
10 <11<1
In Operation 6 3 +2 = 5 3:02
are called addends, 5 is called the sum
3 is called the addendum, called sum
2 3 is called the minuend, 2 subtracting 5
operation 3 is called the addendum, 2 is called addition, 5 7 The result
0 is the neutral element of multiplication
True False
8 Which of the following is correct?
5:0 = 5 = 1x0
1 1-0 = 1 0-1 = 0
9 50 cents is written
0.50
5.100 0.05 50.00
10 Number 1 is the neutral element of the subtraction
True False
11
6-3-2 = 12 = 18:3:3
13 10 14
+1-0,1 = 3 +4 x2 = 15 In this equality
3x (4 +5) = 3x4 +3 x5
applied the distributive property
dissociative
commutative associative
16 Mark buys a calculator to € 20.50, a coloring book and two pens of 2.75 € 0.75 €. If 50-euro, touching Rest
€ 25
€ 25.25 € 0.25 € 20.55
17 Which of these expressions corresponds to the sentence:
"add 3 to 15 double
15
2x15 +2 x3 +3
2x3
+15 15 +2 +3
18 3x6-2x7 = 4
15 3 27
19 Nicola bought a book that cost € 4.50, three books from € 0.45 each and five pencils, spending around € 10. How much does each pencil?
€ 0.72
€ 0.65 € 1.12 € 0.83
20's dad buys a Oronzino TV that costs 1300 €, gives a deposit of € 850 and pay the balance in 3 monthly installments. How to pay for each installment?
€ 150
€ 225 € 175 € 200
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