Place Value
Write a number with 3 hundreds, 7 tens, and 1 one.
371
Estimate by rounding to the nearest hundred. Write a number sentence.
790 - 605 =
800 -600 = 200
52- 30 =
22
True or False
Addition problems can be written horizontally or stacked.
(90 + 10)
90
+ 10
_______
True
A tool you can use to help with rounding is...
A) Ruler
B) Scale
C) Number line
Number Line
In the number 5,293, what is the value of the digit 9?
90
Estimate by rounding to the nearest thousand.
7,200 - 4,675 =
7,000 - 5,000 = 2,000
1,245 - 905 =
340
6556 + 3984
10540
Round 5,778 to the nearest ten.
5780
Write the number forty - seven thousand, three hundred ninety - two in standard form.
47,392
Bob Ross created paintings for a TV show.
In spring he created 600 paintings.
In summer he created 325 paintings
In winter he created 200 paintings.
How many total paintings did he create?
1,125 paintings
Subtraction is similar to addition because you...
a) Regroup
b) always get a bigger number than what you started with
c) always get a smaller number than what you started with
a) Regroup
Estimate. Then solve.
528 + 933 + 295
1756
Complete the phrase (spelling doesn't count)
5 or above _____ ___ ___ ________.
Write the number 755,990 in expanded form.
700,000 + 50,000 + 5,000 + 900 +90 + 0
The zoo needs to move four animals in a truck that can carry only 700 pounds. A leopard weighs 176 pounds. A warthog weighs 250 pounds and a chimpanzee can weigh 130 pounds. What is the maximum weight that the fourth animal can be?
144 pounds
176 + 250 + 130 + w = 700
556 + w = 700
32,766 - 20,570 =
12,196
Round to 271,009 to the nearest hundred thousand.
300,000
The digit 8 in 56,892 is _______ times as large as the value of 8 in 156,408.
Possible answers:
1
10
100
100
100 times larger
The digit 8 in 56,892 is worth 800
The digit 8 in 156,408 is 8
8 x ____= 800
The combined weight of a mountain lion, an orangutan and a wolf can bee 491 pounds. If the wolf weighs 175 pounds and the orangutan weighs 180 pounds, how much do two mountain lions weigh?
1,000 - 746 =
254
South Dakota has a population of 833,354.
Wyoming has a population of 553, 626.
What is the difference in population rounded to the nearest ten thousand?
279,728
280,000