Number Bonds to 100 (Tens)

Complete the bar model.

Tags

CCSS.2.NBT.B.7

Complete the bar model.

Tags

CCSS.2.NBT.B.7

Complete the bar model.

Tags

CCSS.2.NBT.B.7

There are 100 passenger seats on an aeroplane.

70 passengers are aboard the aeroplane.

How many empty seats are on the aeroplane?

Show your working in the empty space.

Answer explanation

Answer: 30 empty seats

Look at the number grid to help you understand the answer.

The number of unshaded squares is showing how many empty seats are left.

70 + 30 = 100

Tags

CCSS.2.NBT.B.7

Fill in with the missing number.

Tags

CCSS.1.NBT.C.5

Fill in with the missing number.

Tags

CCSS.2.OA.A.1

Fill in with the missing number.

Tags

CCSS.1.NBT.C.5

Tick the correct number sentence for this representation.

• 70 - 30 = 100

• 30 - 70 = 100

• 100 - 70 = 30

Tags

CCSS.2.NBT.B.7

Which of the following is an incorrect way of showing 40 + 60 = 100?

• 
• 
• 

Tags

CCSS.2.OA.A.1

Match the following number bonds to make 100.

• 80

• 20

• 50

• 90

• 40

• 60

• 70

• 50

• 10

• 30

Tags

CCSS.1.NBT.C.5