Show:
Mental Math
Estimate Numbers
Add Whole Numbers
Subtract Whole Numbers
Mystery
100

Add: 

1,340 + 1,260 

2,600

100

Estimate to the nearest thousand and add

3,452 + 6,789

3,000 + 7,000 = 10,000
100

(947+138) + 452 = ? 

1,537

100

Find the difference 

5,673- 987

4,686

100

True or False: 

8,934+ 4,566 = 13,500

True

200

Add: 

3,450+ 999

4,449

200

Round 2,478 to the nearest thousand.

2,000

200

Stack the numbers and add: 

1,456 + 4,562 + 2,390 

8,408

200

Find 5,000- 3,244. 

1,756

200

Complete the equation: 

1,567 + 18,904 = _______ + 1,567 

1,567 + 18,904 = 18,904 + 1,567

300

Subtract: 

6,020 - 5,020 

1,000

300

The basketball stadium has 5,234 seats. The baseball stadium has 10,456 seats. How many more seats does the baseball stadium have rounded to the nearest hundred? 

10,500- 5,200 = 5,300 more seats 

300

Find the difference: 

$10.67 - $3.45 = 

$7.22

300

Find the difference 

23,456- 18,569

4,887

300

Olivia counts the total number of cars in the Major Edwards parking lot. There are 345 teachers cars and 132 visitors cars. She adds those two values together. Then she sees that there are 1,390 cars in the Middle/High School parking lot. What is an equation that Olivia can use to solve this problem? (Remember to use a variable) 

(345+132) + 1,390 = n 

400

Subtract: 

78,345- 41,352 

36,993

400

Xavier wanted to go to a baseball game with his family. The tickets cost $525, the transportation to get to the game costs $120, the food at the game costs $75 and the shirt he wants to wear will cost him $37. Round each value to the nearest ten and tell us how much Xavier will have to spend. 

$530 + $120 + $80 + 40 = $770 

400

Teddy went metal detecting and found 567 items. His brother went metal detecting and found 234 items. How many items did they find in all? 

801 items

400

Mackenzie bought 5,679 pigs in 2020. She bought 4,356 pigs in 2019. How many more pigs did Mackenzie buy in 2020 than in 2019? 

5,679-4,356= 1,323 more pigs 

400

Pick all the equations that equal: 

14,567+ 8,934 + 3,456 = n 

a) 8,934 + 3,456 + 14,567 = n 

b) 8,934 + (3,456 +14,567) = n 

c) 8,934 + (18,023) = n 

d) 8,934 + 3,456 = n 

A, B, C

500

Jude wants to be able to do math in her head really fast to impress her friends. How can Jude add 4,567 + 999 really fast in her head? 

4,567 + 1,000 = 5,567 - 1 = 5,566

500

The following section shows how many cans Maiyah collected in her food drive for the last three months: 

September: 1,562

October: 1,679

November: 1,881

If I estimate each value to the nearest hundred, how many cans did Maiyah collect in all? 

1,600 + 1,700 + 1,900 = 5,200 Cans

500

The following numbers show how many sneakers Mikayla bought in each year: 

2018: 1,345 

2019: 4,560

2020: 8,678

How many more sneakers did Mikayla buy in 2020 than in 2018 and 2019 combined? 

4,560+1,345= 5,905

8,678- 5,905 = 2,773 more sneakers

500
Paige is going to the movies and wants to rent out the theater for all her friends to see the movie with her. It costs $2,300 to rent out the theater. Paige's friends say they will contribute some money to help her pay for the cost. Each friend contributes $15 so they give her $465. How much will Paige still need to pay for the rental of the theater? 

$1,835

500

Autumn wants to check to make sure that she has enough money to buy the new clothes she wants at the mall. She spends $145 in Macy's, $320 in Abercrombie and $450 at Foot Locker. She says she is going to spend $819 total. Is Autumn correct? If not how much will she spend?

No she is not correct she needs $915.