Rounding
Round 345 to the nearest hundred
300
What is the sum of 135 and 68?
203
Johnny has 426 apples and he gives away 158 apples. How many apples does Johnny have left?
268 apples left.
What is 800 - 243?
557
The answer to an addition problem
Round 4,678 to the nearest thousand.
5,000
Find the total when you add 2,758 and 1,894
4,652
Sara has 3,957 rocks in her collection and she lost 1,286 of them. How many marbles does Sara have now?
2,671 rocks remaining.
What is the difference between 5,000 - 2,367?
2,633
The answer to a Subtraction problem
Round 39,812 to the nearest ten thousand
40,000
If you add 5,326 and 3,457, what is the result?
8,783
In a school, there were 8,372 students. After summer break, 2,158 students transferred to another school. How many students are still in the school?
here are 6,214 students still in the school.
How many more is 20,000 than 10,456?
9,554
A set of steps to solve a problem is called..
An algorithm
Round 567,890 to the nearest thousand.
568,000
Juan has 548 marbles, and Maria has 379 marbles. How many marbles do they have in total?
Juan and Maria have a total of 927 marbles.
A farmer had 52,304 bushels of corn. Due to a storm, 37,815 bushels were destroyed. How many bushels of corn are left?
There are 14,489 bushels of corn left.
Subtract 75,389 from 100,000
24,611
A symbol or letter that stands for a number is called..
A variable
Round 369,951 to the nearest thousand
370,000
Find the total when you add 453, 267, and 189.
The total when you add 453, 267, and 189 is 909.
The population Albany was 623,987. Over the years, 371,452 people moved out of the city. What is the current population of the city?
The current population of the city is 252,535.
Find the difference: 600,000 - 512,347?
87,653
Operations that undo each other, that you can use to check your answers are called
Inverse Operations