Rounding to the 10s
Addition properties
Rounding to the 100s
Estimating sums and differences
Problem Solving
100

What is 39 rounded to the nearest 10?

What is 40?

100

What property states that any way you add numbers the sum is the same?

What is commutative property?

100

What is 102 rounded to the nearest 100?

What is 100?

100

What is 122+148= rounded to the nearest 100?

What is 200?

100

Mrs. Jewls is planning a party for her students. She wants to estimate the amount of pizza she will buy.  She has 12 students and she wants them to each get 3 slices.  About how many slices should she buy?

What is 40 slices?

200

What is 41 rounded to the nearest 10?

What is 40?

200

What property does this equation show? 

(4+6)+5=(6+5)+4

What is associative property?

200

What is 478 rounded to the nearest 100?

What is 500?

200

What is 210-158= rounded to the nearest hundred?

What is 0?
200

Mrs. Kahwajian has $265 to spend.  She buys a jacket for $107 and a skirt that costs $69.  About how much money did Mrs. Kahwajian spend?

What is $170?

300

What is 96 rounded to the nearest 10?

What is 100?

300

What property does this equation show?

700+0=700

What is the identity property?

300

What is 4,891 rounded to the nearest hundred?

What is 4,900?
300

What is 92+26= rounded to the nearest 10?

What is 120?

300

Mrs. Adams is taking a road trip. She drives 109 miles on Monday, 123 miles on Tuesday and 98 miles on Wednesday. About how many miles did she drive in all 3 days?

What is 300 miles?

400

What is 151 rounded to the nearest 10?

What is 150?

400

What is the property that states you can group addends in any order and still get the same sum?

What is the associative property?

400

What is 10,430 rounded to the nearest 100?

What is 10, 400?

400

What is 1,234+1,148= rounded to the nearest 100?

What is 2,300?

400

What type of coffee does Mrs. Kahwajian like? Hot or Iced?

What is Iced Coffee?

500

What is 4,132 rounded to the nearest 10?

What is 4,130?

500

What is Mrs. Kahwajian's favorite store?

What is Marshalls or TJ Maxx?

500

What is 123,391 rounded to the nearest 100?

What is 123,400?

500

What is 97+69= rounded to the nearest 10?

What is 170?

500

Lilac read 131 pages on Monday, 56 pages on Tuesday and SOME pages on Wednesday.  She read a total of 289 pages on all 3 days. How many pages did Lilac read on Wednesday?

What is 102 pages?