1. Find the product :
(i) 7 × 3 = ___________
(ii) 742 × 1 = ___________
(iii) 328 × 0 = ___________ .
2. Fill in the blanks :
(a) 27 × 36 = 36 × __________
(b) 276 × 1 = __________
(c) 789 × 13 = __________ × 13
(d) 56 × _________ = 0
(e) ___________ × 45 = 0
3. Multiply :
(a) 560 × 100
(b) 952 × 42
(c) 26 × 537
(d) 5204 × 12
4. Divide and check :
(a) 535 ÷ 25
(b) 3958 ÷ 57
(c) 710 ÷ 10
(d) 71424 ÷ 93
5. Word problems in multiplication:
(a) An aeroplane , on an average , covers 7000km in 12 hours. how much distance will it cover in 15 days ?
(b) A machine , on an average, manufactures 3786 screws in a day. How many screws does it manufacture in one year ?
(c) A factory packs 144 ball-pens in a carton. They have 395 cartons to be filled . They have already made 57000 ball-pens . Do they need to make more ball-pens in order to fill all the cartons ?
7. Word problem in Division :
(a) A girl knit 718 stitches. If there are 25 stitches in each row of knitting , how many complete rows have been knitted ?
(b) In a garden , 4891 trees are planted in 67 rows.If each row has the same number of trees, how many trees are there in one row ?
(c) The product of two number is 71424. if one number is 93 , what is the other number ?
8. Put the correct sign in the place of question(?) mark :
(a) 8 ? 4 = 32
(b) 36 ? 6 = 42
(c) 93 ? 2 = 91
(d) 15 ? 12 = 27
(e) 8 - ( 26 ? 13 ) = 6
(f) ( 6 ? 6 ) + 0 = 1
(g) 3 + (4 ? 6 ) = 27