Number sence and numeration
What is 47.89 in written form?
Fourty seven and eighty nine hundredths
What is the exponential notation of 25
52
Order these integers from least to greatest:
-8, 5, -2, -7, 0, 4, 6,
-8, -7, -2, 0, 4, 5, 6
Is this phrase an equation or expression:
7y = 8(9)
Equation
What is 94.4 as a fraction?
457/500
Order this from Smallest to Largest:
0.95, 1.24, 0.689, 2.89, 1.77, 0.88
0.689, 0.88, 0.95, 1.24, 1.77, 2.89
Solve this equation:
3 4/5 + 4 1/2
8 3/10
Evaluate
(-6)2 - 5
31
Sam and Alex play Tennis. On the weekend Sam played 114 more games than Alex did, and together they played 998 games. How many games did Alex play?
884
Convert 487 from Cm to Mm
4870
Solve the exponent:
55
3,125
Challenge question: Three alarm clocks are set of at the same time. If one beeps every 6 seconds, the second beeps every 12 seconds and the third one beeps every 15 seconds. How often do they all beep at the same time?
They beep at the same time every 60 seconds.
Evaluate:
(-8) x (-7) + 33
83
Change this phrase into an equation:
One third of the product of a number and 7 is 18
1/3 (x + 7) = 18
Change 67.88 discounted 55% plus tax
34.52
Challenge question: Sylvia bought 4 bananas for 50 cents each and 1 apple for 80 cents. Write a numerical expression to represent this situation and then find the total cost in dollar.
4 × 50 + 80
A: $2.80
Find the LCM of 6,7 & 8
168
8 - 5 x 44
(-1272)
Solve this algebraic equation:
-26 = 4y
-6.5
Challenge question: A classroom has a length of 20 feet and a width of 30 feet. The headmaster decided that tiles will look good in that class. If each tile has a length of 24 inches and a width of 36 inches, how many tiles are needed to fill the classroom?
100
Calculate this order of operations equation:
53 + 6 x 7 - 7
160
Solve this equation:
(2 5/6 - 2 1/4) x 2 2/3
1 5/9
Challenge question: Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?
30,340
Solve this algebraic equation:
-2 + 3b = -14
8
Determine the missing number for the ratio:
:49 = 6:7
42