Place Value
What is the value of the digit 5 in the number 5,284?
5,000
Solve: 4,326 + 2,157
6,483
Solve: 324 × 3
972
Solve: 23 × 14
322
Write this as an equation 5 times as many as 4 is 20.
5x4=20
In the number 72,416, which digit is in the thousands place?
2
Solve: 7,004 − 2,689
4,315
Solve: 2,146 × 4
8,584
Solve: 36 × 27
972
There are 8 frogs in one pond. Another pond has 3 times as many frogs.
How many frogs are in the second pond?
8x3=24 frogs
Write 60,305 in expanded form.
60,000 + 300 + 5
Estimate the sum of 3,482 + 1,519 by rounding each number to the nearest thousand.
3,000 + 2,000 = 5,000
Solve: 3,508 × 6
21,048
Solve: 48 × 32
1,536
A shelf holds 48 books. This is 8 times as many books as the second shelf.
How many books are on the second shelf?
6 books
48/8=6
Which number is greater: 48,392 or 48,329?
Explain using place value.
48,392 because the hundreds and thousands are the same, but 9 tens is greater than 2 tens.
A library had 8,450 books. They bought 2,375 more books and then donated 1,820 books.
How many books does the library have now?
9,005 books
(8,450 + 2,375 = 10,825; 10,825 − 1,820 = 9,005)
A school bought 248 boxes of pencils. Each box has 5 pencils.
How many pencils did the school buy in all?
1,240 pencils
(248 × 5 = 1,240)
A theater has 24 rows of seats with 18 seats in each row.
How many seats are there in total?
432 seats
(24 × 18 = 432)
Which statement matches 6 × 7 = 42?
A. 42 is 6 more than 7
B. 42 is 6 times as many as 7
C. 42 is 7 less than 6
B. 42 is 6 times as many as 7
What number is 10 times greater than 3,406?
34,060
A school raised $4,768 during a fundraiser on Friday and $3,219 on Saturday.
About how much money did they raise in total? Round to the nearest hundred.
About $8,000
(4,768 ≈ 4,800 and 3,219 ≈ 3,200; 4,800 + 3,200 = 8,000)
A factory makes 1,376 toys each day.
How many toys does the factory make in 6 days?
8,256 toys
(1,376 × 6 = 8,256)
A school ordered 36 boxes of notebooks. Each box contains 24 notebooks.
How many notebooks were ordered?
Explain how you know your answer is reasonable.
864 notebooks
(36 × 24 = 864; estimate: 40 × 25 ≈ 1,000, so 864 is reasonable)
A box holds 54 crayons. This is 9 times as many crayons as are in a small box.
How many crayons are in the small box?
6 crayons
(54 ÷ 9 = 6)