Adding and Subtracting 100s

345+300=

What is 234 + 56?

• 833

• 290

• 300

• 92

999- 257=

• 1,663

• tertiary

• a type of theme

• 742

What is the sum of their base ten blocks?

• 233

• 121

• 345

• 145

What is the difference between the amount Ellie and Leo have?

• 231

• 537

• 352

• 111

Pick two choices that match the information found in the bar model.

• 75-54=21

• 21+54=75

• 75+21=54

• 54-21=75

1,000-343

• 657

• 757

• 767

• 667

1,000-890

• 610

• 1,890

• 210

• 110

550+450

• 1,010

• 100

• 1,000

• 990

Addition is the process or skill of ------ the total of two or more numbers together

(a)  

• adding

• subtraction