2.NBT.B.9

Ken has 24 toy cars. Mason has 12 toy cars. Which one of these equations can be used to show how many more cares Ken has than Mason?

• 24+10+2

• 24-10-2

• 20+4-10

• 24+2-10

Tags

CCSS.2.OA.A.1

Dina has 62 baseball cards. Johnny has 38 baseball cards. What step would you follow first to find out how many more baseball cards Dina has than Johnny?

• subtract 6-3

• regroup 6 tens to 5 tens and 12 ones

• regroup the 3 tens to make 2 tens and 12 ones

• subtract 6-8

Tags

CCSS.2.NBT.B.7

Paul counts 48 tickets. Sonya counts 20 fewer tickets than

Paul. Which of these tells a way to find how many tickets

Sonya counts?

• Add 2 tens to 48.

• Subtract 2 tens from 48.

• Add 2 ones to 48.

• Subtract 2 ones from 48

Tags

CCSS.1.NBT.C.5