Student Name
Class / Section
Grade / Year
Teacher
School
Instructions: Read each question carefully and answer to the best of your ability. Show all working for word problems.
1.
In the number 623541, the place value of 6 is always greater than that of 5.
(1 pt)
2.
The sum of an odd number and an even number is always an odd number.
(1 pt)
3.
A number formed by rearranging the digits 6, 0, 8, 4, 1 can begin with 0 to be considered a six-digit number.
(1 pt)
4.
Rounding off numbers to the nearest hundred can sometimes significantly change the result of an arithmetic operation.
(1 pt)
5.
Prime factorisation is used to determine the LCM of 210 and 186.
(1 pt)
6.
The additive identity for whole numbers is 1.
(1 pt)
7.
To find the difference between the place values of 6 and 5 in 623541, you simply subtract 5 from 6.
(1 pt)
8.
The sum of rounded numbers is always equal to the rounded sum of the original numbers.
(1 pt)
9.
Estimating a product by rounding each factor usually leads to a close approximation of the actual product.
(1 pt)
10.
The prime numbers between 30 and 50 include 37 and 41.
(1 pt)
11.
Which of the following is the additive identity for whole numbers?
(2 pts)
12.
How many 4-digit numbers can be formed using the digits 3, 4, 9, and 0 without repeating any digit?
(2 pts)
13.
In Roman numerals, what number completes the equation LXX + _____ = LXXVI?
(2 pts)
14.
What is the approximate product of 958 and 387 when each factor is rounded to the nearest hundred?
(2 pts)
15.
Which method is used to find the LCM of 210 and 186 as shown in the worksheet?
(2 pts)
16.
If a country's population was 906450600 in 1990 and increased by 9889700 the next year, which option best describes the population in 1991?
(2 pts)
A. The original population
C. The population of 1991
D. The quotient of the two numbers
17.
Which expression correctly approximates 2838 ÷ 125 by rounding to the nearest hundreds?
(2 pts)
18.
Which of the following pairs are examples of twin primes as suggested by the worksheet?
(2 pts)
19.
What is the correct interpretation of 'successor' in the context of finding the product with 147 and 389?
(2 pts)
20.
Which method is used to find the HCF of 420 and 430 in the worksheet?
(2 pts)
21.
is called additive identity for whole number.
(2 pts)
22.
The sum of an odd number and an even number is always a(n)
number.
(2 pts)
23.
In the number 623541, the difference between the place values of 6 and 5 is
.
(2 pts)
24.
The estimated quotient of 2838 divided by 125 by rounding off to the nearest hundreds is
.
(2 pts)
25.
The rounded product of 958 and 387 by rounding each to the nearest 100's is
.
(2 pts)
26.
The number of 4-digit numbers that can be formed with digits 3, 4, 9, and 0 without repeating any digit is
.
(2 pts)
27.
The sum of 1086, 2117, 3543, and 1284 is
.
(2 pts)
28.
The population of a country in 1991, after an increase of 9889700 from 906450600 in 1990, is
.
(2 pts)
29.
LXX +
= LXXVI
(2 pts)
31.
Find the difference between the place values of 6 and 5 in the number 623541. Show your working.
(5 pts)
32.
Madhu had $9031 and bought a TV, leaving her with $1356. How much did she pay for the TV? Show your working.
(5 pts)
33.
A school management spent $26,756 on teachers' pay, $325,378 on building construction, $5,780 on games, and $8,235 on other work. Find the total amount spent. Show your working.
(5 pts)
34.
Find the sum of the predecessor of 97801 and 90526. Show your working.
(5 pts)
35.
Find the product of the successor of 147 and 389. Show your working.
(5 pts)
36.
Solve using the distributive property: 632 × 1001. Show your working.
(5 pts)
37.
Simplify the expression: 34 - [32 - {31 - (18 - 15 - 1)}]. Show your working.
(5 pts)
38.
Find three different whole numbers whose sum and product are equal. Show your working.
(5 pts)
39.
Find the HCF of 420 and 430 by prime factorisation. Show your working.
(5 pts)
40.
Find the LCM of 210 and 186 by prime factorisation. Show your working.
(5 pts)