Topic 1
Write three different equations for 16.
__ + __ = 16
__ + __ = 16
__ + __ = 16
*check that the equations equals 16
Which number is missing from this sequence?
10, ___, 20, 25, 30
15
____ = 16 - 7
9
I have 18 bugs caught in my box, and 12 of the bugs escaped. How many bugs do I have now?
18 - 12 = 6 bugs
Emir skip-counted by fives, starting at 40. Could he have said the number 75?
Yes or No?
Yes, all multiples of 5 end in a FIVE (5) or a ZERO (0)
Find the missing number to each subtraction equation.
18 - 7 = ___
17 - 5 = ___
15 - 8 = ___
12 - 4 = ___
9
12
7
8
Which number is missing from this sequence?
40, 60, ___, 100
80
__ = 13- 8
5
Logan his pencils end to end. The first pencil was 34 cm long. The second pencil was 16 cm long. How long are both pencils put together?
34 + 16 = 50 cm long
Erin started at 10. She skip-counted until she reached 55. Could she have been counting by tens?
Yes or No?
No, all multiples of 10 end in a ZERO (0)
Find the missing number in each equation.
7 + 5 = ____ + 9
____ = 8 = 10 + 7
1. 3
2. 9
Which number is missing from this sequence?
17, 25, 33, 41, __, 57, 65
49
6 = 12 - ____
Liam has blueberry bushes in his garden. Yesterday he picked 121 blueberries. Today he picked 45 blueberries. How many berries did he pick in all?
121 + 45 = 166 blueberries in all
Bella watched an ant walk around this path, what is the total amount the ant walk?
show picture on google slides
44 + 10 + 12 + 40 = 106 cm
Find the missing number to each equation.
9 + 5 + 2 = 8 + ____
___ = 7 + 4 + 3
1. 8
2. 14
What is the missing number in this sequence:
77, 82, 87, 92, ___, 102, 107
97
9 = 24 - ___
15
Victoria is growing plants. Each week she measures how tall her plant is. This week her plant is 73 cm tall. That is 20 cm taller than last week. How tall was the plant last week?
73 - 20 = 53 cm tall last week
Michael measured his poster. The first side was 83 inches long, and the second side was 36 inches long. How much longer was the first side of his poster?
47 inches long
83 - 36 = 47
or
36 + 47 = 83
Luna spent 40 minutes riding her bike to the park. Then, she rode her bike in the park for 25 minutes. Choose the equation that you would use to figure out how many minutes Luna spent riding her bike.
40 + m = 20
20 - 45 = m
25 - m = 40
40 +25 = m
Correct answer
D. 40 + 25 = m
What is the missing number in this sequence:
50, 59, ___, 77, 86
68
Raelyn has $95 in her savings account at the bank. Dylan has $38 in his savings account. How much more money does Raelyn have then Dylan? Write an equation and solve.
$95 - $38 = $57
Or
$38 + $57 = $95
Solve and write an equation to match this problem. “The teacher has $62 in her wallet and $19 on the table. How much more money does she have in her wallet than on the table?
$62 - $19 = $43
Or
$19 + $43 = $62
Ady has 237 health and science books total at his house. 78 of the books are health. How many of Ady’s books are science books?
159 science books
237 - 78 = 159
or
78 + 159 = 237