Before proceeding to the solution of examples and problems be sure to read the theoretical part of the lesson
Multiplying natural numbers
1. Solve:
c) 792;
d) 802.
2. Solve:
c) 640; d) 637.
3. Solve:
c) 2802;
d) 2812.
4. Solve:
c) 1911; d) 1907.
5. Calculate:
48 ×
19.
а) 902; b) 914;
c) 922; d) 912.
6. Calculate:
15 ×
55.
а) 815; b) 825;
c) 820; d) 821.
7. Calculate:
66 ×
39.
а) 2584; b) 2572;
c) 2574;
d) 2554.
8. Calculate:
44 ×
83.
а) 3652;
b) 3632;
c) 3656; d) 3654.
9. Calculate:
6 + (6 – 2) ×
6.
а) 28;
b) 32;
c) 24; d) 30.
10. Write an
expression for the calculation adds 5 and 6
and then multiply by 3.
а) (5 + 3)6;
b) (5 + 6)3;
c) (3 + 6)5;
d) (5 – 6)3.
11. Write an
expression for the calculation adds 3 and 8
and then multiply by 9.
а) (3 – 8)9;
b) (3 + 9)8;
c) (3
+ 8)9;
d) (9 + 8)3.
12. Write an
expression for the calculation adds 34 and 6
and then multiply by 3.
а) (34 + 3)6;
b) (34 – 6)3;
c) (3 + 6)34;
d) (34 + 6)3.
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