Lines and Angles
What is a right angle?
An angle that measures 90 degrees.
Mrs. Beck had 24 cookies. She ate 7 cookies after dinner. How many cookies does Mrs. Beck have now?
17 cookies
45 + 23 =
68
50 - 30 =
20
4 x 1 =
4
What is an acute angle?
Felix cut his arm and got 9 stitches in the left arm and 7 stitches in his right arm. How many stitches does he have?
16 stitches
81
87 - 23 =
64
5 x 2 =
10
Draw an example of a right angle.
Mrs. Beck will show correct angle.
Melakai was making a bracelet. He used 8 red beads, 7 blue beads and 5 green beads. How many beads did he use to make his bracelet?
Melakai used 20 beads
342 + 215 =
557
70 - 16 =
54
10 x 8 =
80
Draw an example of an acute angle.
Mrs. Beck will show correct example.
Alex was reading Harry Potter and the Order of the Phoenix. On Monday, he read 13 pages, on Tuesday, he read 10 pages and on Wednesday, he read 8 pages. How many pages did Alex read this week?
Alex read 31 pages this week.
764 + 678 =
1,442
530 - 108 =
422
5 x 3 =
15
Mrs. Beck will show a correct example.
Mrs. Gagnon baked 20 sugar cookies and 13 chocolate chip cookies for the class party. The class ate 17 cookies. How many cookies does Mrs. Gagnon have left?
Mrs. Gagnon has 16 cookies left.
897 + 567 =
1,464
6,017 - 2,563 =
3,454
12 x 10 =
120