W1 - W6 Flashcards
The number 28469 in expanded notation is:
20000+8000+400+60+9
Place the given numbers in ascending order: 640, 230, 369, 24, 599
24,230,369,599,640
True or False: 98 < 89
False
Determine the largest 5 digit number you can write, if each digit must be different.
98,765
Use the jump strategy to calculate 143 + 85
228
Use one of your mental strategies to calculate: 78 - 35
43
Complete the following subtraction, using pen and paper: 2583 - 489
2,094
Calculate the following (use pen and paper to solve): 3100 - 348
2,752
The sum of two numbers is 21 and their difference is 1. State the lowest of the two numbers.
10
in a group of 25 Year 7 students, each likes Maths or English or both. If 18 like Maths and 15 like English. How many like both?
8
Evaluate (do not use calculator - show working in your workbook): 134 * 8
1,072
Evaluate (do not use calculator - show working in your workbook): 504 / 3
168
Calculate (do not use calculator - show working in your workbook): 2030 - 82
1,948
If a business makes a $421 profit per week. Determine how much profit it makes across a 42 week period (show working in your workbook)?
17,682
Match the following terms with the appropriate mathematical symbol: Product, Sum, Difference
Product, x
Sum, +
Difference, -
Estimate the answer to the following, by first rounding to the leading digit: 2480 + 1890
2000+ 2000=4000
Round 3298
to the nearest thousand.
3000
Round 4687
to the first (or leading) digit.
5000
Select which of the following is the best estimate of 3385 + 2602
6000
A school day is 7 hours long. Calculate how many minutes in a school day.
420
12
19
6
B.O.D.M.A.S. is an acronym for:
Brackets, Order, Division, Multiplication, Addition, Subtraction
True
Calculate the following, but be sure to show the working in your book:
I have the integer 25. State what integer I can add to this, to give me an answer of 12.
False
False
The factors of 24 are:
List the integers less than 2 and greater than -6.
State the lowest common multiple of 6 and 15.
State the highest common factor of 9 and 36.
The lowest common multiple of 8 and 12 is:
1
8
Determine the Highest Common Factor of 24 and 12.
12
Determine the first 5 multiples of 7.
The factors of 21 are:
The factors of 21 are:
30
The Highest Common Factor of 24 and 40
8
True
27
49
9