Adding and subtracting whole numbers numbers between 20 and 100

Answer explanation

The first jump shows a distance of 3.

The second jump shows a distance of 10.

The jump ends at the number 13.

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Count to the right to subtract numbers on the number line

• true

• false

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What is the missing number on the number line?

• 54

• 44

• 17

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

0 + 7 =

• 77

• 7

• 17

• 6

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What operation do you change a subtraction equation to before solving?

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

When adding 18+6, what number do you start at?

• 24

• 12

• 6

• 18

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Add the numbers using the number line. What is the sum?

17 + 3 = _____

• 20

• 18

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

. When adding positive numbers on a number line, you move to the ____________.

• Right

• Left

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Start at 4

Add 7 tens.

What is the new total?

• 47

• 74

• 77

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Which number should go in the red box?

• 150

• 250

• 100

• 200

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6