Rounding
Estimating
Addition
Three Digit Addition
Even/Odd, Expanded Form
10

What is 42 rounded to the nearest ten?

40

10

Jordan and Swaya were playing Roblox together. Jordan earned 98 robux and Swaya earned 119 robux. About how many robux do they have all together?

220 Robux. 

10

829 + 36

865

10

27 + 36 + 42

105

10

Is the number 179 even or odd? How do you know?

Odd because it ends in a 9 and 9 is an odd number.

20

What is 88 rounded to the nearest ten?

90

20

Ira and Josiah went to a carnival and wanted to combine their tickets to get a super cool prize. Ira earned 72 tickets and Josiah earned 85 tickets. Approximately how many tickets do they have all together?

160 tickets

20

142 + 99

241

20

13 + 9 + 65

87

20

What is 817 in expanded form?

800 + 10 + 7

30

What is 356 rounded to the nearest ten?

360

30

Ian and Kolbe both collect Pokemon cards. Ian has 148 pokemon cards and Kolbe has 136 Pokemon cards. About how many Pokemon cards to they have combined?

290 Pokemon cards

30

456 + 207

663

30

209 + 378 + 26

613

30

Is the number 35,682 even or odd? How do you know?

Even because it ends in a 2 and 2 is an even number.

40

What is 429 rounded to the nearest hundred?

400

40
Makai and Samia were selling cookies for a fundraiser. They wanted to combine their profit to buy a new video game they could both play. Makai sold $78 worth of cookies. Samia sold $84 worth of cookies. Approximately how much money did they make all together?

$160 

40

648 + 593

1,241

40

392 + 245 + 167

804

40

What is 596 in expanded form?

500 + 90 + 6

50

What is 879 rounded to the nearest ten?

880

50

Raif and Marley wanted to earn their house some points so they could try to get in the lead of the competition. On Wednesday, Marley scored 14 participation points, on Thursday, Raif scored 17 participation points. On Friday, Marley and Raif earned 38 participation points combined. About how many points did Marley and Raif earn their house all together this week?

About 60 points all together. 

50

999 + 889

1,888

50

999 + 888 + 777

2,664

50

What is 805 in expanded form?

800 + 5

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