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1. Essential Course

?QCHOBHOM K¶[3C

1. e) Cover the right column end reed the English words. Translate them into Russian end check your trensletion.

b) Cover the left column end trenslete the Russian words beck into English.

addition [a'diJn]

subtraction 1sdb'trekJn]

^plus lplas]

minus l'mainas]

to add li8d]

^{to subtract} lsab'trekt]

to equal 1'i:kwa1]

to be equal

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Add!dooandSubtracdoo

5 + 7 = 12 — five plus seven equals twelve

66 + 13 - 79 — sixty-six plus thirteen is equal to seventy-nine

a + b - c — a plus b is equal to c

i 5 — 6 - 9 — fifteen minus six equals nine

81 — 33 - 48 — eighty-one minus thirty-three is equal to forty-eight c — b = a — c minus b equals a

2. Solve these problems and read them:

315 + 145 =

859 — 600 -

4,444 + 7,777 -

a — b -

3. Pair worle Thinli of six problems of your own. Put theiii down. Ash your groupmete to solve them.

1. e) Cover the right column end read the English words. Translate them into Russian end check your trensletlon.

b) Cover the left column end trenslete the Russian words beck into

English.

multiplication l,ma1tipli'keiJnJ

to multiply [’mxltiplai]

multiplied by

yxiiio›seuue ysiiio›saTb yxiiio›seHHOé Ha

once twice

three times four times division

to divide divided by

[wxns]

[twais]

[di'viJn]

ldi'vaid]

I x 1 - I — once one is one

2. x 2 = 4 - twice two is four

3. x 3 - 9 — three times three equals nine

4. x 4 = 16 — four times four is equal to sixteen

12 x 10 = 120 — twelve multiplied by ten (by) is equal to one hun-

dred and twenty a • b = ab

35 : 7 - 5 — thirty-five divided by seven equals five

1000 : 25 - 40 — ono thousand divided by twenty-five is equal to forty

d : b = c

2. Solve these problems end reed them:

10 x 7 = 49 : 7 - 13 x 3 -

100 x 100 = 175 : 25 = 618 : 6 -

234 x 6 = 12 x 12 = 33 : 33 =

b • c - n : in = I • k =

749 : 7 =

3,550 x 5 =

10,660 : 10 =

I x I =

3. Petr work. Thlnk of flve problems of your own. Put them down. Ask

your groupmete to solve them.

1. ×) Cover the right column end reed the English words. Tmnsletc

them into Russian end check your trensletlon.

b) Cover tbe left columa and translate tbe Russias words back iato

English.

fractions	['fr&kjdt1Z]	n O6H
decimal fractions	[,desima1 IrnkJanzl	ncczriiniiuic apo6ii
common fractions	l,kaman 'lrekJanzJ	npocruic apobii
numerator	l'nju:mareita]	siicnirrens
denominator	[dI'nam1t1éltd]	3H8MDHfiTflJlh
nought	lna:I]	iiyns
zcrp	['ziarouJ	iiyiia

I

— — one ^{half (a half)}

2

i

— — one ^{third (a third)}

— two sevenths

(sec page 98)