Decimals and Percent Assignment


 

Activity Category: Design a Cell Phone

Created by: Stacey

Resource Category: Assessments

Grade Level: 6-7

Decimals and Percent Assignment
Name:
Date:
Class:
Total: ___ / 67

Complete the table below. (4 marks)
1% 10% 100%
450
61

Complete the following table. (5 marks)
Fraction
(in the simplest form) Decimal Percent
(to nearest whole number)
7/8
0.444…
80%
0.06
3/4

Compare the numbers in this set (97%, 99/100, 0.98). Write them from largest to smallest. Show your thinking. (2 marks)

Show your thinking on how to find each amount, and then calculate each amount. (4 marks)
a) 75% of 44 apples

b) 15% of $40

Write each repeating decimal using bar notation. (2 marks)
a) 0.22222…

b) 2.434343…

Change each fraction to a repeating decimal. Then use bar notation to show the repeating part. (2 marks)
a) 1/3

b) 9/11

Estimate which amount is greater. Then, calculate each amount. (6 marks)
50% of 96, or 10% of 552
Estimate:

Calculation:

Put the correct number in the box to make each of the following statements true. Show your thinking. (4 marks)
45.47 What’s your thinking?
+
71.09

b) 836.05 m What’s your thinking?
+
988.66 m
Without calculating the answer, place the decimal point in the correct position. Show the estimate that helped you place the decimal point.
(8 marks)
a) 35.27 + 61.84 = 9711

b) 4.5 × 3.2 = 1440

c) 4.5 × 3.2 = 1440

d) 335.61 – 240 = 9561
Calculate the following expressions. (16 marks)
105. 86 + 47.3

e) 46.1 + 13.27
87.492 – 5.13

f) 48.31 – 27.65
5.2 × 3.63

g) 12. 61 × 5.32
26.5 ÷ 5

h) 23.68 ÷ 3.2
What is the cost of each purchase before tax? Show your calculations.
a) 3 boxes of Lucky Charms at $4.35 each. (1 mark)

b) 3 telephones at $19.89 each. (1 mark)

George has $10.50 to spend on energy bars. What is the maximum number of energy bars that George can buy if they cost $0.70 each. Including tax?
(4 marks)
Note: Since George is only 13 years old, he can only be charged the PST rate, which in Manitoba is 7%.

Following the BEDMAS rule, solve each question. (8 marks)
Note: SHOW ALL WORK!!! You will receive one mark for showing your work and one mark for getting the correct answer.
a) (6 × 3) + 2

b) 100 ÷ 52

c) 14 – (2 + 3)

d) 9 + 5 × 4

Standards Type: Local Standards

Standards Explained:
7.N.4. Demonstrate an understanding of the relationship between
repeating decimals and fractions, and terminating decimals
and fractions.
[C, CN, R, T]

Manitoba Grade 7 Math curriculum

Class Management and Safety Issues:
Individual assignment


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