Estimating 2-digit x 2-digit Products

Use Mental Math to solve: 70 x 60

• 5,600

• 4,200

• 4,800

• 4,900

Tags

CCSS.5.NBT.B.5

Use Mental Math to solve: 50 x 90

• 4,000

• 6,300

• 5,400

• 4,500

Tags

CCSS.5.NBT.B.5

Use Mental Math to solve: 30 x 80

• 2,400

• 2,100

• 3,200

• 1,800

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.5

Use Mental Math to solve: 40 x __ = 3,600

• 70

• 100

• 80

• 90

Use Mental Math to solve: __ x 80 = 4,000

• 55

• 60

• 50

• 40

ROUND to estimate: 39 x 37

• 2,000

• 900

• 1,200

• 1,600

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 25 x 81

• 1,800

• 2,400

• 1,600

• 2,700

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 64 x 76

• 5,400

• 4,200

• 3,600

• 4,800

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 88 x 23

• 1,800

• 2,400

• 2,700

• 2,100

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 34 x 48

• 1,400

• 1,600

• 1,200

• 1,500

Tags

CCSS.4.NBT.A.3