Find the sum.
41 + 45
86
Find the difference.
98 - 74
24
What is the name of the shaded place?
Thousands place
Round 243 to the nearest ten.
240
A school library has 467 books about animals and 325 books about history. How many books are in the library altogether? Show your work.
792 books
Find the sum.
541 + 220
761
Find the difference.
67 - 28
39
What number represents the following:
2 hundreds 5 tens 3 ones
253
Round both numbers to the nearest ten.
38 _______ 193 _______
40 and 190
Grove Elementary’s basketball team lost their game on Friday by 15 points. If the winning team had 62 points, how many points did Grove Elementary have?
47 points
Find the sum.
347 + 215
562
Determine the value of the expression.
612 – 248
364
A. What digit is in the tens place?
B. What digit is in the hundreds place?
A. 6
B. 8
Round 596 to the nearest hundred.
600
There are 20 apples in a basket. 2 friends each take 3 apples. The number of apples left in the basket is a. Which equation shows the situation?
A. 2×a=20–3
B. a=20–(2×3)
C. 20–3=a
D. 20+(2×3)=a
B
a=20–(2×3)
Determine the value of the expression.
276 + 489
765
Determine the value of the expression.
684 – 458
226
Write this number in expanded form.
5,261
5,000 + 200 + 60 + 1
Round 25,731 to the nearest thousand.
26,000
A school library has 467 books about animals and 325 books about history. ABOUT how many books are in the library? Explain your thinking.
About 800 books.
Ways to estimate.
1. Round each number to make adding easier:
467≈500 and 325≈300
500+300=800
2. Or round to the nearest ten: 467≈470 and 325≈330.
470+330=800.
3. Check the exact total: 467+325=792 so 800 is a good estimate because it’s very close to the exact number.
Determine the value of the expression.
847 + 358
1,205
Determine the value of the expression.
403 – 176
227
The number 5,872 is made of thousands, hundreds, tens, and ones.
How many hundreds are in 5,872?
What is the value of the digit 7 in this number?
If you swap the tens digit and the hundreds digit, what new number do you get?
1. 8
2. 70
3. 5,782
Select all the true statements. (3 correct answers)
A. 432 rounded to the nearest ten is 430.
B. 432 rounded to the nearest hundred is 400.
C. 768 rounded to the nearest hundred is 800.
D. 768 rounded to the nearest hundred is 700.
E. 52 rounded to the nearest hundred is 100.
A. 432 rounded to the nearest ten is 430.
C. 768 rounded to the nearest hundred is 800.
E. 52 rounded to the nearest hundred is 100.
There are 120 stickers in a box. 6 students each take 8 stickers. The number of stickers left in the box is s. Which equation represents the situation?
A. 120 – 8 = s
B. 120 + (6 × 8) = s
C. s = 120 – (6 × 8)
D. 6 × s = 120 – 8
C.
s = 120 – (6 × 8)