Topic 2 Review

Round to the nearest hundred to estimate the difference 497 – 229

• 300

• 200

• 268

• 250

Round to the nearest tens to estimate the difference 97 – 29

• 60

• 65

• 70

• 68

Which way shows how to estimate the sum of 423 + 278.

• 400+300

• 500+300

• 400+200

• 500+200

8. Which property of addition is shown in the number sentence 8+(1 +5) =5 +(8+1)?

• Identity Property

• Associative Property

• Commutative Property

Tags

CCSS.1.OA.B.3

What is the missing number in this number sentence? 16+2=2+____

• 16

• 2

• 18

Tags

CCSS.1.OA.B.3

A farm stand has 22 kinds of vegetables and 11 kinds of fruits. Estimate how many more kinds of vegetables than fruits are at the farm stand

• 11 more vegetables

• 10 more vegetables

• 33 more vegetables

A train going into Houston has 218 passengers. A train going out of Houston has 129 passengers. Estimate to the hundreds for the total number of passengers on the two trains

• 200 passengers

• 100 passengers

• 300 passengers