Mental Math
560 ÷ 80
What is 7?
Estimate 804 ÷ 12 using compatible numbers (rounding). State what each compatible number is as well.
What is 800 ÷ 10 = 80?
Use partial quotients to divide 72 ÷ 8. State the partial quotients and the whole quotient. Check with multiplication!
Whole quotient 9
Ms. Katy has 29 boxes of pencils to split equally among four teachers. How many boxes will each teacher get?
What is 7?
Nehal has created 82 funny memes. She made a goal to create 3 funny memes each day, and she accomplished her goal! How many days did it take Nehal to make 82 memes?
*Would you use, lose, or add one more for the answer?
What is 'add one more'?
6,300 ÷ 90
What is 70?
Estimate 434 ÷ 37 using compatible numbers (rounding). State what each compatible number is as well.
What is 400 ÷ 40 = 10?
Use partial quotients to divide 285 ÷ 5. State the partial quotients and whole quotient. Check with multiplication!
Partial quotients: 20, 30, 6, 1
Whole quotient: 57
Luis is giving skittles to his 3 friends. He has 23 skittles to split equally. How many skittles will be left over if Luis gives each friend an equal amount?
What is 2 skittles?
Anne is making cards to send to her cousins. She wants to put four stickers on each card. If she has 31 stickers, how many cards can she make?
**Would you use it, lose it, or add one more?
What is lose it?
1,600 ÷ 80
What is 20?
Estimate 792 ÷ 35 using compatible numbers (rounding). State what each compatible number is as well.
What is 800 ÷ 40 = 20?
Use partial quotients to divide 654 ÷ 3. State the partial quotients and whole quotient. Check with multiplication!
Partial quotients: 200, 10, 8
Thirty-seven people are attending a dinner party. Each table at the party can seat five people. How many tables will be needed?
What is 8 tables?
Mr. Chad had 286 Gator Grams to give out before his last day. He wanted to distribute them equally between his 10 students. How many Gator Grams would he have left?
What is use it?
48,000 ÷ 80
What is 600?
Estimate 1,036 ÷ 21 using compatible numbers (rounding). State what each compatible number is as well.
What is 1,000 ÷ 20 = 50?
Use partial quotients to divide 1122 ÷ 4. State the partial quotients and whole quotient. Check with multiplication!
Partial quotients:
Charlie is building LEGO cars. She has 54 wheels. Each car needs four wheels. How many cars can she make?
What is 13 cars?
Mrs. Jordan is buying food for a picnic. A tray of sandwiches serves 12 people. How many trays should Mrs. Jordan buy to serve 73 people?
**Use it, lost it, or add one more?
What is add one more?
A carton of staples has 60 packages. The carton contains 36,000 staples in all. Find the number of staples in each package.
What is 600 staples?
Josh's band wants to learn a new song for the school concert in 6 weeks, 42 days. The song has 2,024 lines. Find about how many lines they need to learn each day to learn the song in time.
What is 2,000 ÷ 40 = 50?
Use partial quotients to divide 755 ÷ 11. State the partial quotients and whole quotient. Check with multiplication!
Partial quotients: 60 and 8, remainder 7
Whole quotient: 68 R 7
The Spanish Club is selling raffle tickets for their event. Each ticket costs $3. The Club wants to make at least $110. How many tickets will the club need to sell?
What is 37 tickets?
Ethan has been saving $5 a week for 14 weeks. He wants to spend his savings on comic books. They cost $3 each, and Ethan wants to buy as many as he can. How many books can he buy? How much money will he have left over?
What is ignore it and use it?