Add and Subtract

What is the missing addend?
67+23=60+ ____

• 40
• 30
• 20
• 23

Tags

CCSS.2.NBT.B.5

Mr. Zia  gives his students an equation and tells them to find the missing number.
467=298+ _____
Dareon says the missing number is 169. Is he correct? Why or why not?

• No. You subtract 467−298. That means 231 is the missing number.
• Yes. The ones digit of Dareon's missing number is 9, so it has to be right.
• Yes. To find the missing addend, you can subtract the other addend from the sum.
• No. To find the missing addend, you add 467+298. That means 765 is the missing number.

635 - 348 = ______
Find the difference. 

• 278
• 782
• 287
• 273

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

• 852
• 952
• 962
• 81,512

Tags

CCSS.2.NBT.B.7

• 214
• 612
• 215
• 216

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

• 473
• 347
• 743
• 374

Tags

CCSS.2.NBT.B.7

• 189
• 981
• 819
• 188

Tags

CCSS.6.NS.B.3

• 389
• 398
• 399
• 498

Tags

CCSS.2.NBT.B.7

Joe spent $167 on camping gear. Rounded to the nearest hundred, about how much money did he spend?

• $100

• $160

• $170

• $200

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

There were 216 men, 236 women, and 85 children at a concert. How many people were at the concert?

• 437

• 452

• 527

• 537

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2