PLACE VALUE
Value of 6 in 6,249
6,000
Round 2,458 to the nearest hundred.
2500
Use the leading digit to estimate 3,482 + 4,196.
3,000 + 4,000 = 7,000
Maria added 2,348 + 3,467 and got 60,000.
👉 Use rounding to check if her answer is reasonable.
2,000 + 3,000 = 5,000 → 60,000 is not reasonable
Which is greater: 4,398 or 4,839?
4839
What is 4,305 in expanded form
4,000 + 300 + 0 + 5
Round 7263 to the nearest thousand
7000
Estimate 7,214 – 3,865 using front-end estimation.
7,000 – 3,000 = 4,000
A zoo has 3,258 animals and an aquarium has 2,476 animals. A student said there are about 5897 animals in total.
👉 Use front-end estimation to check if this answer is reasonable.
3,000 + 2,000 = 5,000 → 5897 is close, reasonable
Put these in order from least to greatest: 2451, 2415, 2541.
2541, 2,451, 2415
what number is 7 thousands, 2 hundreds, 0 tens, 9 ones
7,209
9880
Which is the better leading digit estimate for 8,942 + 1,675:
9,000 + 2,000 OR 8,000 + 1,000?
9,000 + 2,000
Liam subtracted 4,562 – 2,138 and said the answer was 10,000.
👉 Use rounding to check if his answer is reasonable.
5,000 – 2,000 = 3,000 → 10,000 is not reasonable
Which number is the smallest: 7029, 7092, 7209?
7029
what digit is in the Hundreds place in 9,748
7
round 4329 to the nearest thousand
4000
Estimate 6,395 + 2,846 using front-end estimation.
6,000 + 2,000 = 8,000
A school raised $4,785. Another school raised $3,214. A student says together they raised about 7500.
👉 Use front-end estimation to check if this answer is reasonable.
4,000 + 3,000 = 7,000 → 7500 is close, reasonable
Order from greatest to least: 9642, 9426, 9624.
9642,9624, 9426
Which number is greater: the value of the 8 in 8,563 or the value of the 7 in 7,921?
8,000 is greater
A book costs $6,842. Round this to the nearest hundred and the nearest thousand.
6,800 and 7,000
Estimate 9,754 – 6,289 using the leading digit.
9,754 – 6,289 = 9,000 – 6,000 = 3,000
A car traveled 3,928 km. Another traveled 2,147 km. A student said together they went about 9,000 km.
👉 Use rounding to check if this answer is reasonable.
4,000 + 2,000 = 6,000 → 9,000 is not reasonable
You have the numbers 3875, 3857, 3785 and 3578. Put them in order from least to greatest.
3578, 3785, 3857, 3875