89. Add the number in the center to each of the other numbers in the same square. Name results at sight:

90. Subtract the number in the center from each of the other numbers in the same square.

Name results

91. Rob made 5 squares and Roy made 3. How many did both make? Draw the picture.

Dick had six marbles. He gave 2 to Ned. How many had he left? Draw the picture.

There are 5 boys and 4 girls in a class. How many children?

May had 7 apples. She ate 2. How many had she left? Draw the picture.

How many feet are there in 3 yards?

How many 2-dollar bills should I get for a 10-dollar bill? A man had ten sick sheep. One-half of them died. How many got well?

A lady sold 8 pounds of butter, 2 pounds in a roll. How many rolls?

It is 2 miles from Harry's home to school. How far does Harry walk each day? How far in two days?

Two wagons and a bicycle have how many wheels? A farmer has 9 acres of wheat. One-third of it is cut. How much has he to cut yet? How many thirds? Bert has a dime. How can he give me of it? At two cents each, what will 5 oranges cost? If $4 is of my money, how much have I? Two years is of John's age. How old is he?

92. Look at the number picture on the left. What do you see over the 1 at the right in this picture? (1 one.) Over the one at the left? (1 ten.) Then 11 means 1 ten and 1 one. (The figures 11 stand for the number eleven.) What do you see over the 2 in the second number picture? (2 ones.) Over the 1? Then 12 means 1 ten and (The figures 12 stand for the number twelve.)

2 ones.

What does 13 mean? 17? 18?

How would you write one ten and three ones (thirteen)? One ten and four ones (fourteen)? Qne ten and five ones (fifteen)?

How many figures do you write for each number?

What does the figure on the left show?

What does the figure on the right show?

In which place do we write the ones? The tens?

If we call the number expressed by 16, sixteen, what shall we call the number expressed by 17? By 18? By 19?

93. Read, supplying blanks:

1 ten and 1 one.

11

=

16

=

ten and

ones.

94. You have already learned that two tens and no ones is written thus - 20.

Try to write two tens and one ons.

Now write two tens and two ones.

What do we call 2 tens?

If we call two tens and one one, twenty-one, what shall we call two tens and two ones?

What shall we call two tens and three ones? Two tens and four ones? Two tens and five ones? Two tens and

six ones? Two tens and seven ones? Two tens and eight Two tens and nine ones?

ones?

9

95. How many numbers are in each column?

How many columns are there?

Name the numbers in the second column, beginning at the top.

What does 16 express? (One ten and

What does 14 express? 18? 15?

ones.)

*The pupils should be able to complete this table without help. When they have it finished, they should learn the number names— that is, count to one hundred.