Addition and Subtraction
102 + 107 = ?
209
9 x 9 = ?
81
840
There are 24 students in A-7. Ms. Hashimoto has them stand in 3 equal rows. How many students are in each row?
There are 8 students in each row.
102 + 367 = ?
469
16 / 4 = ?
4
Round 195 to the nearest TEN
200
There are 30 desk.
317 + 283 = ?
600
9 x ? = 56
6
Round 123 to the nearest HUNDRED
100
Ms. Hashimoto's classroom is 4 yards wide and 8 yards long. She has a rug that can cover 30 yards. Will Ms. Hashimoto's rug cover the whole classroom? Explain and show your work.
No, she does not have enough space to cover the entire classroom. The classroom area is 40 square yards. The rug is only 30 yards, therefore the rug cannot cover the entire space because 40 is greater than 30.
640 + 150 = ?
790
? / 8 = 40
40
Round 752 to the NEAREST HUNDRED
800
Mr. Chan covers the top of the whiteboard with squares of paper that are 1 square centimeter. He uses 48 squares, with 6 squares in each row. How many rows did he make?
Mr. Chan made 8 rows
159 + 362 = 4 hundreds, __ tens, __ ones
4 hundreds, 11 tens, 11 ones
Write ALL equations of the fact family using 6, 8, 48
6x8= 48 / 8x6=48 / 48/6=8 / 48/8=6
Ten: 140 / Hundred: 100
The area of a rectangular desk is 28 square yards. The length of the desk is 7 yards. Write related multiplication and division squares to find the width of the desk. Use w for the unknown number.
28 / 7 = w OR 7 x w = 28
The width of the desk is 7 yards.