Measurement
22 cm = _____ mm
220 mm
A vending machine is filled with different snacks and drinks. There are 5 rows of snacks in the machine. On each row, there are 12 different spots for snacks. In each spot, the vender can put in maximum of 16 items.
1. How many spots are there in total?
5 × 12 = 60 There are 60 spots in total.
33 – (3 + 4 + 1 + 19) = ______
6
56,914 =
57,000
Write the numbers from smallest to largest
377,276
202,758
552,037
712,334
202,758
377,276
552,037
712,334
7,000 mm = ___ m
70 m
A vending machine is filled with different snacks and drinks. There are 5 rows of snacks in the machine. On each row, there are 12 different spots for snacks. In each spot, the vender can put in maximum of 16 items.
3. Each bottle of water is 238 ml. If Josh buys 3 bottles of water, how much water (measured in ml) does he buy?
3. 238 × 3 = 714 238 x 3 = 714 He buys 714 ml of water.
(50 – 40) – (30 – 20 – 10) = ______
10
97,722 =
97,720
Write the number in expanded form.
i.e. 45,836 = 4 X 10,000 + 5 X 1,000 + 8 X 100 + 3 X 10 + 6
68,020
6 × 10000 + 8 × 1000 + 2 × 10
The average height of a baby giraffe is 180 cm. The average height of a grown giraffe can be 3.2 m taller than a baby giraffe. What is the average height (measured in meter) of a grown giraffe?
180 +320 = 500
500 cm = 5 m
The average height of a grown giraffe is 5 m.
A vending machine is filled with different snacks and drinks. There are 5 rows of snacks in the machine. On each row, there are 12 different spots for snacks. In each spot, the vender can put in maximum of 16 items.
5. Emily puts in $20 into the machine and buy 2 bottles of water and 2 chocolate bars. She gets $8 of change back from the machine. How much is each bottle of water?
$20 – $8 = $12 Emily spent $12. $12 – $2 x 2 = $8 Emily spent $8 for 2 bottles of water $8 ÷ 2 = $4 Each bottle of water is $4.
770 + 712 + 464 + 898 = _______
2,844
90,205
90,000
List the factors for 28
1, 2, 4, 7, 14, 28
Josh is building a fence around the farm. The total length of the fence is 48 m. If he can finish building 8 m of fence in a day, how long will it take him to finish the fence?
48 ÷ 8 = 6
It will take him 6 days to finish the fence.
A vending machine is filled with different snacks and drinks. There are 5 rows of snacks in the machine. On each row, there are 12 different spots for snacks. In each spot, the vender can put in maximum of 16 items.
Write an equation using “x” and then solve the equation. The vender put 85 cans of drinks in the machine and at the end of the day, only x cans are left as 69 cans were sold.
x + 69 = 85 x = 16 There are 16 cans left.
12 + 842 + 31 + 946 = ______
1,831
There are 3,727 elementary school students and 9 elementary schools in the area. In each elementary school, there are about __________ students.
a. 500 b. 400 c. 600
b
7 + 60 + 500 + 9,000 + 10,000 + _________ = 319,567
300,000
1. Which unit would you use to measure the length of a bath tub?
a. millimeters b. centimeters c. meters d. kilometers
b. cm
A bakery specializing in donuts and croissants opens at 10 o’clock in the morning.
The original price of each donuts is $2. After 5 o’clock in the afternoon, the price will be changed to $5 for 3 donuts. What is the price difference between buying 21 donuts before and after 5 o’clock?
x21 x $2 = $42
Before 5 o’clock, the price of 21 donuts is $42.
21 ÷ 3 × $5 = $35
After 5 o’clock, the price of 21 donuts is $35
$42 - $35 = $7
The price difference is $7
60 ÷ 12 × (4 + 32 × 9) = ________
1460
For lunch at school, each class ordered 21 slices of pizza. If there are 25 classes, the school ordered about __________ slices of pizzas.
a. 500 b. 2,500 c. 250
a
____ 6 × 10000 + 7 × 1000 + 5 × 100 + 6 × 10 + 6 × 1
67,566