What number is shown? Each small cube represents 1
1。 904
2。 100
3。 409
10 -
What number is shown? Each small cube represents 1
1。 100
2。 444
3。 333
11 -
Which of the following is equivalent to 2 × 2?
1。 2^1
2。 2^2
3。 2^3
12 -
Which of the following is equivalent to 4^2?
1。 4x4x4
2. 4x4x4x4x4
3. 4x4
13 -
Which of the following is equivalent to 2 × 2 × 2?
1。 2^3
2。 2^2
3。 2^1
14 -
Which of the following is equivalent to 4^1?
1。 1
2。 0 x 4
3。 4
15 -
Which of the following is equivalent to 4?
1。 4^2
2。 4^3
3。 4^1
16 -
Cameron has 12 short-sleeve shirts. He also has 10 long-sleeve shirts. The letter s stands for the total number of shirts Cameron has. Which equation can you use to find s?
1. 12 - 10 = s
2. 12 + 10 = s
17 -
Mrs. Mosley is a teacher. Her class has 15 girls and 13 boys in it. The letter s stands for the total number of students in her class. Which equation can you use to find s?
1. 15 + 13 = s
2. 15 - 13 = s
18 -
Mr. and Mrs. Olsen had 10 people over for dinner. There were 7 adults, and the rest were kids.
The letter k stands for the number of kids. Which equation can you use to find k?
1. 10 - 7 = k
2. 10 + 7 = k
19 -
Ed had a collection of 11 bouncy balls. Then he lost 1 of the balls. The letter b stands for the number of bouncy balls Ed still has. Which equation can you use to find b?
1. 11 - 1 = b
2. 11 + 1 = b
20 -
Zach saw a patch of 6 flowers in his yard. He picked 3 of them for his mom. The letter f stands for the number of flowers left. Which equation can you use to find f?
1. 6 + 3 = f
2. 6 - 3 = f
21 -
Christine had already knitted 15 rows of a scarf. She knitted r more rows over the weekend. Choose the expression that shows the number of rows Christine has knitted in all.
1. 15 + r
2. r - 15
3. 15 - r
4。 15
22 -
Manny has g gumballs. Emmy has 3 fewer gumballs than Manny. Choose the expression that shows how many gumballs Emmy has.
1. 3 - g
2. g - 3
3。 3
4. g + 3
23 -
There were 15 kids at the park. When it began to rain, k of them went home. Choose the expression that shows the number of kids left at the park.
1。 15
2. 15 - k
3. k - 15
4. 15 + k
24 -
The chef peeled p potatoes before lunch and another 20 potatoes after lunch. Choose the expression that shows the number of potatoes the chef peeled in all.
1. 20 - p
2. p - 20
3. p + 20
4。 p
25 -
Donald has p peppermints. Greta has 4 fewer peppermints than Donald. Choose the expression that shows how many peppermints Greta has.