Math Adding and Subtracting

Mrs. Kiesling had 474 sharp pencils. Nora helped her sharpen 137 more. how many pencils does she have rounded to the nearest tens?

• 611

• 600

• 620

• 610

604-266=

• 338

• 462

• 348

• 870

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

At the pool Joey swam 242 laps less than Emily. Emily swam 617 laps at the pool. How many laps did Joey swim?

• 375 laps

• 859 laps

• 259 laps

• 875 laps

Tags

CCSS.3.OA.D.8

Isaac scored 236 runs during the first half of the season. He scored 285 in the second half. How many runs did he score during the whole season?

• 521 runs

• 621 runs

• 49 runs

• 21 runs

Tags

CCSS.3.OA.D.8

1000+485

• 585

• 10,485

• 1,585

• 1,485

The chefs baked 310 more muffins at 5 am than at 8 am. They baked 472 at 8 am. How many muffins did they bake at 5 am?

• 782 Muffins

• 782

• 162

• 162 Muffins

Tags

CCSS.3.OA.D.8

Kingston had 215 more pens than Alex did. Kingston had 340. How many did Alex have?

• 555 pens

• 444 pens

• 125 pens

• 155 pens

Tags

CCSS.3.OA.D.8

Which shows an example of Identity (Zero) Property of Addition?

• 2 + 3 = 3 + 2

• (1 + 2) + 3 = 1 + (2 + 3)

• 1 + 0 = 1

Tags

CCSS.1.OA.B.3

Which shows an example of Commutative (Order) Property of Addition?

• 2 + 3 = 3 + 2

• (1 + 2) + 3 = 1 + (2 + 3)

• 1 + 0 = 1

Tags

CCSS.1.OA.B.3

Which shows an example of Associative (Grouping) Property of Addition?

• 2 + 3 = 3 + 2

• (1 + 2) + 3 = 1 + (2 + 3)

• 1 + 0 = 1

Tags

CCSS.1.OA.B.3