Two-Digit Addition with Base-10 Blocks

What is the sum of 30 and 40 using base ten blocks?

• 70

• 100

• 60

• 80

Tags

CCSS.2.OA.A.1

If you add 300 and 400, what result do you get?

• 800

• 600

• 1000

• 700

What is the estimated sum of 437 and 58 rounded to the nearest ten?

• 100

• 120

• 90

• 110

Using base ten blocks, what is the sum of 45 and 22?

• 72

• 70

• 65

• 67

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 26 and 57 using base ten blocks?

• 85

• 80

• 83

• 90

Tags

CCSS.2.OA.A.1

Calculate the sum of 35 and 55 using base ten blocks.

• 100

• 95

• 85

• 90

Tags

CCSS.2.OA.A.1

What is the result of adding 28 and 47 using base ten blocks?

• 75

• 70

• 80

• 85

Tags

CCSS.2.OA.A.1

Using a ballpark estimate, what is the sum of 35 and 55 rounded to the nearest ten?

• 110

• 90

• 100

• 120

What is the sum of 476 and 19 using base ten blocks?

• 495

• 95

• 485

• 505

Tags

CCSS.2.NBT.B.7

What would be the ballpark estimate for adding 76 and 19?

• 100

• 95

• 90

• 105