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WAJA MATHEMATICS YEAR 6 JPN PERAK
Compute mixed operations problems involving addition and multiplication
Example 1:
Exercise 1
1.
758 x 24 + 9778 =
2.
24486 + 908 x 30 =
3.
84624 x 35 + 24472 =
4.
34865 + 2124 x 56 =
5.
72857 x 42 + 14979 =
6.
78948 + 5172 x 48 =
7.
51182 x 13 + 7582 =
8.
648 x 34 + 5780 =
Compute mixed operations problem involving subtraction and division.
Example 1:
Exercise 2
1.
11520 48 86 =
2.
8040 7776 24 =
3.
86625 35 936 =
4.
730120 43128 24 =
5.
3040500 1453860 18 =
6.
530120 7523180 28 =
7.
12100 10368 36 =
8.
11520 48 96 =
Compute mixed operations problems involving brackets
Example 1:
.
Example 2:
Exercise 3
1.
( 2440 + 4885 ) x 21 =
2.
1656 + ( 1716 324 ) =
3.
( 56 x 72 ) ( 84 35 ) =
4.
( 25 + 25 ) x ( 104 82 ) =
5.
( 7340 1223 ) x 73 =
6.
( 340120 136480 ) 20 =
7.
( 38628 + 7475 ) x 24 =
8.
( 875 + 480 ) x ( 18 + 17 ) =
Solve problems involving mixed operations on numbers of up to seven digits.
Example 1:
Step 1;
Understanding the problem, to fine the book all together.
Step 2 ;
Devise a plan using vertical form add 412 and 318.
Step 3 ;
412
+ 318
730
Every body get four books.
Step 4 ;
Carry out the plan.
Checking the solution.
730 x 4 = 2920
Exercise 4
1.
A fruitier buys 15 boxes of apples and 436 watermelons . Each box of contains 50 apples .How many fruits does the fruitier buy altogether ?
2.
There are 428 boys and 378 girls in a drawing contest . If each contestant gets 24 color pencils , How many color pencils do they gets altogether ?
3.
Aily shares 46000 beads equally with Ani , Susan and two other friends .Aily uses 1585 of her beads to make a chain . How many beads does Aily left .
4.
There are 198 tins of condensed milk in 9 boxes . What is the total number of condensed milk in 30 similar boxes .
5.
A school bookshop keeps 3582 exercises books . 431 pupils come to buy exercises books from the book shop. Each of them buys 6 books .How many exercises books are left in the bookshop .
6.
Encik Wahid bought 6 boxes of oranges .Each box contained 132 oranges .He sold 582 of the oranges .What is the number of oranges which are not sold .
7.
Box A contains 40 nails while box B contains 58 nails .Encik Azman buys 5 box A and 3 box B .What is the number of nails bought by Encik Azman ?
8.
Puan Nora distributes 275 green balloons to 24 groups of pupils equally.How many balloons does each group of pupils get?
Learning Outcomes
Compute mixed operations problem involving addition and multiplication
Compute mixed operations problem involving subtraction and division.
Compute mixed operations problem involving brackets.
Solve problems involving mixed operation number of up to seven digits.
Arrange in vertical form
Then solve it
517770
1426 x 32 + 61898 =
Multiply using vertical form or lattice
Point to note :
Mixed operation are limited to not more than two operations
427480 15400 25 =
Step 2: Do the division operation in vertical form
15400 25 = 616
Step 1: Do the division operation first
427480 15400 25 =
Step 3:
427480
- 616
426864
-
Then multiply the answer
Then solve it
+
Step 2 :
21862
X 15
There are 412 boys and 318 girls are sitting in and exam. If each of theme gets four books, how many books do there get all together?
( 34 + 46 ) x (84 -23) =
Step 1 :
3484
46 23
80 61
Write the answer
4880
Step 2 :
80 x 61
Perform in bracket first
53280
Step 1 :
1450
20412
21862
Write the answer
+
Do operation in the bracket first
Then solve it
( 1450 + 20412 ) x 15 =
Then multiply the answer by 15
+
455872
61898
517770
Do
Multiplication first
14246
x 32
28492
+ 42738
455872
Then solve it
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