Number Sense
Write this number in standard form:
300,000 + 40,000 + 700 + 30 + 5 =
340,735
List 3 other fractions that are equivalent to 1/2.
2/4, 3/6, 4/8…
Rico is filling the tub with water. Which container, one-quart or one gallon, could he use to make the fewest trips to the
faucet?
gallon
Min works at the school store in the mornings before school. She was unpacking an order of 24 boxes of erasers. Each box contains 50 erasers. Write an
equation that would help Min find out how many erasers she received.
24 x 50 = 1,200
What is 6,348 rounded to the nearest hundred?
6,300
Round 56,363 to the nearest thousand.
56,000
Mary has 7 quarters, 4 dimes, 3 nickels and 2 pennies. How much money does she have?
$2.32
3 meters = _____ millimeters
3,000
An auditorium has 12 rows of seats. Each row has the same number of seats. The auditorium has 144 seats.
Write an equation that can be used to find the number of seats in each row.
12 x 12 = 144
How many centimeters are in 2 meters?
200cm
Estimate the sum of 4,336 + 8,256 by rounding to the nearest hundred.
12,600
Lyn grew 6/8 of an inch this month. Last month she grew 1/8 of an inch. How much did Lyn grown in two months?
7/8
It is 3:25 p.m. What time will it be in 2 hours and 10 minutes?
5:35pm
7, 19, 31, 43, ___, ___, ___
What are the next three numbers?
Describe the pattern.
86, 98, 110
Plus 12
What number has:
4 in the ten-thousands place
0 in the thousands place
6 in the hundreds place
3 in the tens place
9 in the ones place
40,639
Arthur is hired to road test a hybrid car for three months. He drives the car an average of 85 miles a day for 91 days. How many miles did Arthur drive the car?
7,735 miles
Melinda buys a coat for $16.95. She gives the clerk $20.00. How much change should Melinda receive?
$3.05
A rope is 3 m long. Another rope is 250 cm long.
Which rope is longer?
3 m = 300 cm
The 3 m rope is longer
Find the value of w in this equation.
10 + 6w = 52
W = 7
A rectangle has a length of 12 cm and a width of 5 cm.
What is the perimeter?
34 cm
Eli buys 8 gigabytes of memory for his computers. He spends $392. What is the cost of 1 gigabyte of memory?
$49
Julio ate 3/8 of a pizza and his brother ate 4/8 . How much pizza was left? Show your work.
1/8
3/8 + 4/8 = 7/8
1 whole (8/8) – 7/8 = 1/8
Convert:
a) 4 kg = ___ g
b) 1500 g = ___ kg
a) 4 kg = 4000 g
b) 1500 g = 1.5 kg
A number is multiplied by 5 and then 30 is added. The answer is 130.
What is the number?
20
Sam has ¾ of a litre of juice. He drinks 250 ml.
How much juice is left?
500 ml (or 0.5 L)