Whole Numbers
Estimate 5,215 + 2,783 by rounding each number to the nearest thousand.
8,000
What is the place value of the digit 3 in 8.139?
hundredths
5/8 divided by 3?
5/24
2,937,045 3,437,145 _______ 4,437,345 ______
Rule:
3,937,245;
4,937,445
Rule: Add 500,100.
Round 5.693 to the nearest hundredth.
5.69
5 5/8 x 18
101 1/4
There are 9 passengers in each van. There are 6,157 vans. Estimate the total number of passengers.
There are about 54,000 passengers in total.
Order the decimals from least to greatest.
6.63 3.6 10.1 3.178
3.178 3.6 6.63 10.1
Jill has 8 yards of cloth. She wants to cut it into pieces that are 1/ 4 yard long. How many pieces can she cut from the length of cloth?
She can cut 32 pieces from the length of cloth.
Mr. James has 8 crates of mangoes. There are 3,548 mangoes in total. Estimate the number of mangoes in each crate
3,548 3,200 3,200 4 8 5 400
Each crate has about 400 mangoes.
or 3,548 4,000 4,000 4 8 5 500
Each crate has about 500 mangoes
A decimal has 3 decimal places. The decimal, rounded to the nearest tenth, is 1.6. What is the greatest possible decimal that can be rounded to 1.6?
1.650 rounded to the nearest tenth is 1.7. 1.649 rounded to the nearest tenth is 1.6.
So, the greatest possible decimal is 1.649.
Tom works 1 3/4 hours a day at a café. He is paid $8 an hour. How much money is he paid in 10 days?
He is paid $140 in 10 day
Tom had $8,153 in his bank account. He deposited another $847 into the account. He then used all his money to buy 100 identical cameras. He sold the cameras for $150 each. How much did Tom earn from selling each camera?
Cost of one camera 5 ($8,153 1 $847) 4 100 5 $9,000 4 100 5 $90 $150 2 $90 5 $60 Tom earned $60 from selling each camera
The height of a vase is 45.7 centimeters when rounded to the nearest tenth of a centimeter. What is the shortest possible height of the vase? Give your answer to 3 decimal places.
45.649 rounded to the nearest tenth is 45.6. 45.650 rounded to the nearest tenth is 45.7.
So, the shortest possible height of the vase is 45.650 centimeters.
Tyrone takes 3/4 hour to paint a wall. His brother takes 1/3 of the time he takes. How long will his brother take to paint 5 similar walls?
1 1/4