Adding Whole Numbers Up to 1000

Lincoln School has 156 fourth grade students. Franklin Park has 208 fourth grade students. How many fourth graders are there altogether in both schools?

• 364

• 634

• 436

• 363

Mary and Diana collect pencils. Mary has 35 pencils in her collection. Diana has 20 more pencils in her collection than Mary. What is the total number of pencils between the two girls?

• 55

• 90

• 89

• 80

Why is step one of adding whole numbers to line up digits by place value?

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Find the sum:

456 + 134

• 831

• 851

• 821

• 711

Jordan read 485 pages last month and 391 pages this month. How many pages did Jordan read altogether?

• 866 pages

• 876 pages

• 886 pages

• 877 pages

245 + 387 =

James have 90 marshmallows in the jar. He adds 382 more. How many marshmallows are now in the jar? 

• 472

• 289

• 340

• 198

92 + 85 + 135 =

550+450

• 1,010

• 100

• 1,000

• 990