4th Grade Addition
345+916 =
1,261
265 - 191
74
Write 32,981 in Expanded form
30,000 + 2,000 + 900 + 80+ 1
10,656+2,346
13,002
Nancy wrote the greatest number that can be made using each of these digits. What was her number?
534981
985,431
4,635+8,238
12,873
1001 - 482
519
Round to the nearest hundreds place: 6,780
6,800
932+864=
1,796
Luis and Liz each rounded 635,974 to the nearest ten thousand. Luis wrote 630,000 and Liz wrote 640,000. Who is correct?
Liz
1,482+2,618=
4,100
1,325 - 838
487
Convert this expanded form to word form:
9,000 + 100 + 20 + 9
Nine thousand one hundred twenty nine
60,978+89,453 =
150,431
New Mexico has an area of 121,298 square miles. California has an area of 155,779 square miles. How much greater is the area, in square miles?
34,481 square miles
12,693 + 7,248
19,941
41,200-5,326
35,874
Mystery Number
I am a number. My expanded form is:
10,000 + 4,000 + 600 + 70 + 8
What is my standard form?
What digit is in the tens place?
14,678
7
641,832 - 232,139 =
409, 693
Caden made a four-digit number with a 5 in the thousands place, a 5 in the ones place, a 6 in the tens place, and a 4 in the hundreds place.
a. What was the number?
b. What is the number in expanded form?
c. What is the number in word form?
a. 5,465
b. 5,000 + 400 + 60 + 5
c. Five thousand four hundred sixty five
45,678 + 23,487
69,165
657,489 - 243,647
413,842
Round and Add
Round these numbers to the nearest hundred and then add:
1,482 and 2,319
Compare your answer to the actual sum. Is it more or less?
Round 1,482 and 2,319 to the nearest hundred, then add.
✅ 1,482 → 1,500
✅ 2,319 → 2,300
✅ Estimated sum: 1,500 + 2,300 = 3,800
✅ Actual sum: 1,482 + 2,319 = 3,801
So the estimate is very close, just 1 off.
879 + 345
1,224
Round 568,987 to the nearest ten thousand.
570,000