Count On and Count Back

When the number in "count back", the last number should be ______ from the first number.

• bigger than

• smaller than

Count on in fives. What is the missing number ?

• 116

• 118

• 120

• 130

The number line shows ___________.

• count on in fives

• count on in eights

• count back in tens

• count back in eights

Count on in sixes. What is is the missing number ?

There are count back in _________.

• ones

• twos

• fives

• tens

What is the missing number ?

Count back in twos. What is the missing number ?

• 161

• 162

• 163

• 165

What is the missing number ?

18 - 6 = .......

• 11

• 12

• 13

• 14

13-4 = .......

• 9

• 11

• 13

• 14