Ordering & Comparing Whole Numbers & Decimals
Rounding Whole Numbers
Adding Whole Numbers with Regrouping
Subtracting Whole Numbers with Regrouping
Mystery Problems
100

Put the following numbers in order from least to greatest. 

87,964

87,145

88,674

88,367

91,842

87,145

87,964

88,367

88,674

91,842

100

Round the following number to the 1,000's place.


32,875

33,000

100

482 + 751 = ?

1,233

100

4,452 - 371 = ?

4,081

100

Select ALL expressions with the same value as 50/100.

a. 5/10

b. 0.05

c. 2/100 + 5/10 + 1/10 

d. 0.50 

e. 2/10 + 30/100

f. 0.55

a. 5/10

d. 0.50

e. 2/10 + 30/100

200

Insert < > or + to make the statement true.

0.34 ______ 0.3 ______ 0.03

0.34 > 0.3 > 0.03

200

Round each number to the nearest 10 and to the nearest 100.

a. 63

b. 350

c. 485

a. 60 & 100

b. 350 & 400

c. 490 & 500

200

1,785 + 3,845 = ?

5,630

200

11,179 - 8,248 = ?

2,931

200
Explain the 10 times rule and give an example of a number that follows the 10 times rule.

The number to the left is 10 times larger than the number on the right. 


Ex:  188,452

300

Write < > or = to make each statement true.

58,785 _____ 58,857

165,879 ______ 16,578

4,875 ______ 4,875

58,785 < 58,857

165,879 > 16,578

4,875 = 4,875

300

Round 61,254 

a. to the tens place

b. to the hundreds place

c. to the ten-thousands place

a. 61,250

b. 61,300

c. 60,000

300

8,652 + 3,120 + 2,512 = ?

14,284

300

2,078 - 49 = ?

2,029

300

Select ALL representations of the number 78,450

a. seventy-eight thousand four hundred fifty

b. 7,000 + 800 + 40 + 5

c. 70,000 + 8,000 + 400 + 50

d. 70,000 + 800 + 50 + 4

a. seventy-eight thousand four hundred fifty

c. 70,000 + 8,000 + 400 + 50

400

Kaitlyn, Kiersten, and Gabbi ran in the 3 mile fun run. Kaitlyn's time was 20.53 minutes, Kiersten ran the distance in 21.04 minutes and Gabbi ran it in 20.05 minutes. Who took the longest time to run the 3 miles?

Kiersten took the longest time to run the 3 miles. 

400

Select all true statements.

A:  285,872 rounded to the nearest hundred-thousand is 200,000.

B:  285,872 rounded to the nearest ten-thousand is 290,000.

C:  285,872 rounded to the nearest thousand is 286,000.

D:  285,872 rounded to the nearest hundred is 287,800.

E:  285,872 rounded to the nearest ten is 287,870.

B:  285,872 rounded to the nearest ten-thousand is 290,000.

C:  285,872 rounded to the nearest thousand is 286,000.

E:  285,872 rounded to the nearest ten is 287,870.

400

897,125 + 452,521 = ?

1,349,646

400

5,801,961 - 1,481,471 = ?

4,320,490

400

Meg had 51 stickers in her collection. Then, she gave 7 stickers to a friend. She also bought a pack of 24 stickers. How many stickers does Meg have now?

Meg has 68 stickers.

500

Grant drank 1,321 ounces of water on Monday, 1,432 ounces of water on Tuesday, 1,333 ounces of water on Wednesday, 1,752 ounces of water on Thursday, and 985 ounces of water on Friday. List the days in order from the most ounces of water Grant drank to the least ounces of water Grant drank. 

Thursday

Tuesday

Wednesday

Monday

Friday

500

Sarah found 624 strawberries on the farm. Michelle found 285 strawberries on the farm. About how many strawberries did Sarah and Michelle find all together?

Clue: About how many means you might need to round the numbers first :)

They found about 900 strawberries on the farm.
500

An electronics store sold 3,163 Xboxes in March and 7,963 Xboxes in April. How many Xboxes did the store sell in all? 

11,126 Xboxes

500

Rick had 2,842 Legos, but he lost 593 of them. How many Legos does he have now? 

2,249 Legos

500

Calvin paints pictures and sells them at art shows. He charges $256 for a large painting. He charges $152 for a small painting. Last month he sold three large paintings and three small paintings. How much did he make in all?

Calvin made $1,224 in all.

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