A Trick With Nine And Eight Worksheet (Page 2 of 3) in pdf

A Trick With Nine And Eight Worksheet Page 2

A “trick” with eight

Imagine that 8 wants to be ten! It's not happy—it

wants to become a full TEN!

So, eight asks the other number (this time, 5) to give

him some in order to make himself to be a ten.

↓

Five says, “OK,” gives two to 8, and has only three

left for himself.

= 13

In the end, we have 10 and 3. We get 13.

8 + 5

| \

We can also show the same thing this way:

8 + 2 + 3

10 + 3 = 13

3. Circle all of the blue marbles and some of the yellow ones so that you get a ten. Add.

10 + ______ = _______

10 + ______ =_______

10 + ______ = _______

4. Fill in the blanks. Imagine that eight wants to become a ten.

8 + 5

8 + 7

8 + 8

+ _____

10 + ____ = ____

5. Right or not? Cross out the additions that are false (not correct).

6 + 6 = 13

7 + 8 = 15

9 + 6 = 15

9 + 7 = 17

Sample worksheet from

Math Mammoth Add and Subtract 2-A (Blue Series)

A Trick With Nine And Eight Worksheet Page 2