Rounding to 10
Rounding to 100
Estimating Sum
Estimating Difference
Two step word problem
100

What is 29 rounded to 10

30

100

1,123

1,200

100

20+20+30= 

70

100

99-24=

80

100

The elves made 94 toys last night and 49 toys today.  They were wrapping the toys up and a box fell and 8 toys got broken.  How many toys are left?

135

200

I have 42 students in my class.  I would like to buy each of them a pencil pouch.  The pouches are sold in groups of 10.  How many packs should I buy?

5

200

I am baking cupcakes for my school's fundraiser.  There are 58 students in kindergarten, 81 students in first grade, 57 students in second grade, 36 students in third grade, 21 students in fourth grade and 35 students in fifth grade.  How many cupcakes should I make.  Estimate to 100.

300

200

35+21=

60

200

156-143=

10

200

We has 18 red bows and 14 green bows in a box.  We used 24 bows for our presents.  How many bows are left in the box?

8

300

256

260

300

247

200

300

101+265=

370

300

231-114=

120

300

Our class made 63 snowflakes to decorate our room.  We put 38 snowflakes on the windows.  Then we decided to put 15 snowflakes on the door.  How many snowflakes do we have left?

10

400

Finish the sentence:

Four or less, let

it rest

400

Finish the sentence: 

Five or more 

raise the score

400

251+251=

500

400

123-98=

30

400

Mom decorated 27 cupcakes last night and 48 today.  Our family ate 9 of them.  How many cupcakes do we have left, please round to 10.

70

500

1,232

1,230

500

2,479

2,500

500

181+346+124=

650

500

1,298-999=

300

500

We collected 10 cans for the food drive on Monday and 46 can on Friday.  Our sack had a hole in it and we lost 7 cans.  How many cans do we have left? Please round to 10.

50

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