Основные математические понятия в английском языке. Прокошева И.И. - 33 стр.

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KEYS.
1.Find the Numbers
The two numbers are 11 and 1.1(one point one)/
2. Hundreds and hundreds
1.
1
8
8
8
8
=×
2.
()()
1005555 =+×+
3.
1
()
10098765432 =×+
+
+++++
4. Strange Figures
Write the following four numbers composed of five odd figures 11, 1, 1, 1.
After addition you will have 14.
5. At the Zoo.
The smallest number of nuts is 2.179. The best way to solve this problem is
to deal first with the first two cages and find that 34 will satisfy the case for 11
and 13 monkeys. Then you must find the smallest number which will satisfy the
condition for the 17 monkeys.
6.Measure the Water
The smallest number of times the girl had to fill and empty her jugs is 14.
Here is how she could do it: 7-litre jug: 7; 0; 7; 3;3;0;7; 6; 6; 0; 7; 2.
11-litre jug: 0; 7; 7; 11; 0; 3; 3; 10; 10; 11; 0; 6; 6; 11.
Keys
1. Learn to read ordinal and relation signs
1.1.3. Match the columns
1 2 3 4 5 6 7 8 9 10
D h e a f c j g i b
2.Operation signs and terms
2.1.3. Match the columns
1 2 3 4 5 6 7 8 9 10
c b d h g i j e f a
3. Operating with fractions
3.1.4. Match the columns
1 2 3 4 5 6 7 8 9 10
A b c d e f g h i j
4. Decimal fractions
4.1.2.Choose the best sentences ending which is true to the text:
1 2
33
                                             KEYS.
   1.Find the Numbers
   The two numbers are 11 and 1.1(one point one)/
   2. Hundreds and hundreds
      8 8
   1. × = 1
      8 8
   2. (5 + 5) × (5 + 5) = 100
   3. 1 + 2 + 3 + 4 + 5 + 6 + 7 + (8 × 9) = 100
   4. Strange Figures
           Write the following four numbers composed of five odd figures 11, 1, 1, 1.
   After addition you will have 14.
   5. At the Zoo.
           The smallest number of nuts is 2.179. The best way to solve this problem is
   to deal first with the first two cages and find that 34 will satisfy the case for 11
   and 13 monkeys. Then you must find the smallest number which will satisfy the
   condition for the 17 monkeys.
   6.Measure the Water
           The smallest number of times the girl had to fill and empty her jugs is 14.
   Here is how she could do it: 7-litre jug: 7; 0; 7; 3;3;0;7; 6; 6; 0; 7; 2.
           11-litre jug: 0; 7; 7; 11; 0; 3; 3; 10; 10; 11; 0; 6; 6; 11.
                                                Keys
                           1. Learn to read ordinal and relation signs
1.1.3. Match the columns
1        2           3          4          5     6       7         8     9        10
D         h          e          a          f     c       j         g     i        b

                                2.Operation signs and terms
2.1.3. Match the columns
1       2        3       4           5       6       7        8      9        10
c       b        d       h           g       i       j        e      f        a

                                3. Operating with fractions
3.1.4. Match the columns
1       2        3       4           5       6       7        8      9        10
A       b        c       d           e       f       g        h      i        j

                                  4. Decimal fractions
4.1.2.Choose the best sentences ending which is true to the text:
1                           2




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