Addition?
Mental Math
1048 + 200 =
1248
Mental Math
250-150
100
MENTAL MATH
37 + 63 =
100
MENTAL MATH
8 x 9 x 2 =
She counted her crayons and found out that she has 80 crayons which she will place in crayon boxes. Every crayon box can contain 8 crayons. How many crayon boxes does she need?
10 crayons
What is 1,000 x 2
2,000
What has hands but cannot clap?
A clock
5 + 5 + 5 +5
20
562-100
462
MENTAL MATH
155 + 245 = ?
400
Mental Math
20 x 41 =
820
3 piles of clean white papers were stacked in the corner of Lexi's room. She decided to place these papers in paper envelopes which can hold 10 papers each. How many paper envelopes does she need if she has 120 clean white papers?
120/10= 12 envelopes
What is 1,000 x 0
What has a head and a tail but no body?
A coin
Mental Math
50 + 50 + 10
110
Mental Math
60 - 10 =
50
MENTAL MATH
98 + 499 =
597
How many tens
784
8
Besides the piles of white paper was a stack of 700 sheets of used paper. She wants to place it in boxes for recycling. If every box can contain 100 sheets, how many boxes does she need?
What is 1,000 x 10=
100,000
What can run but cannot walk?
Water, A river
Mental Math
100 + 900 =
1000
Mental Math
9 - 15
-6
345 + 134 =
479
MENTAL MATH
135 x 3 =
405
Lexie’s spent 2 hours gathering all of her watercolor paintings. She thought of placing an equal number of paintings in four of the rooms in the house. If Lexie has 32 watercolor paintings, how many paintings will be placed in each of the four rooms?
32 ÷ 4 = 8 There will be 8 paintings to be placed in each of the four rooms.
What is 1,000 x 1
1,000
What is the planned last day of school this year? (26-27)
Mental Math
865 + 10
875
649-349
349
MENTAL MATH
10 + ___ = 241
231
Mental Math
2111 x 5 =
10,555
Lexie’s younger brother helped pick up all the paper clips in Lexie’s room. He was able to collect 81 paper clips. If he wants to distribute the paper clips in 9 boxes, write an equation showing how many paper clips each box will contain.
81 ÷ 9 = 9 Each box will contain 9 paper clips
What is 1,000 x 5
5,000
How old is Ms. Steinberg?
36